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BlogGrammar RulesThen vs. Than: How To Use Each Correctly

Then vs. Than: How To Use Each Correctly

Krystal N. Craiker

Krystal N. Craiker

Author and Freelance Writer

Published May 31, 2021

Then vs. Than: How To Use Each Correctly

English includes many words that are so similar, they are easy to confuse. Homophones and homonyms make learning English confusing, whether you’re a native speaker or not. Two of the most commonly mistaken words are then and than.

But these two words aren’t rare. They are both in the 100 most common words in the English language. That means you’re probably using them almost any time you write. It’s therefore crucial to understand the difference between than and then.

Today, we’re taking a deep dive into all the nuanced differences between these two homophones.

Contents:
  1. What’s the Definition of Than?
  2. What’s the Definition of Then?
  3. Than vs. Then: What’s the Difference?
  4. Understanding Parts of Speech
  5. How Do I Use Than in a Sentence?
  6. How Do I Use Then in a Sentence?
  7. Common Phrases and Idioms with Than and Then
  8. Homophones, Similar Words, and ProWritingAid
  9. More Examples of Than and Then
  10. Try ProWritingAid’s Editor for Yourself

What’s the Definition of Than?

Defining both than and then isn’t simple because they have many different uses and definitions. Let’s start with than.

Typically, we can sum up than as a word used for comparison. But let’s break down all of the different uses.

As a conjunction, than has five definitions according to Dictionary.com. The primary definition is a conjunction used after comparative adjectives or adverbs to “introduce the second member of an unequal comparison.” For example, “he is older than I am.” This is the most common way to use than.

than is used for comparisons

Than can also be used after words that express variety or choice, such as anywhere, other, different, or else. This might look like, “You won’t find better tacos anywhere other than Texas.”

You can also use than to express a rejected choice. For instance, you might say about an annoying person, “I’d rather have a root canal than talk to him again.”

Finally, than can mean except when used with other, and it can mean when. You might say, “She left me no choice other than leaving.” Less commonly, you might say “no sooner had we left than the storm arrived.”

graphic with different definitions of 'than'

Those are the conjunction definitions. Occasionally, than is used as a preposition for comparison. We’ll get into the details of parts of speech later in this article.

When than makes a comparison and is followed by an object pronoun, it becomes a preposition. For instance, when you say, “he is older than me,” it’s a preposition. Don’t worry, we’ll explore this more later.

What’s the Definition of Then?

Much like than, then has multiple definitions in varying parts of speech. Unlike its homophone, however, then isn’t as easy to sum up in one explanation like “a comparison.” It gets much more complicated.

graphic showing different parts of speech for 'then'

Dictionary.com lists eight definitions just for the adverb form of then. The first four definitions can be grouped together as related to time. In these situations, then can mean at a specific time, at the same time, next in order of time, or soon after something has occurred. Here are examples of each:

  • I was only ten years old then!
  • We saw the baby’s face, then his hands, in the sonogram.
  • He went to the doctor, then he went to the pharmacy.
  • She slammed on the brakes and then turned quickly.

The rest of the adverb definitions aren’t as easy to group together. Then can refer to next in place, order, or location (“It’s my brother, then me, then my sister.”) It can mean besides or also, in that case, therefore, or since that’s so. Wow! That’s a lot of meanings for the adverb form of then. We’ll cover examples of each later on.

graphic with all the definitions of then as an adverb

As an adjective, then can mean “being, being such, existing, or being at the time indicated.” For example, you might say, “He had brought his then girlfriend to Thanksgiving that year.”

Finally, then can be a noun to refer to a specific time. You might say, “Ever since then, she hasn’t been the same.”

Than vs. Then: What’s the Difference?

Those are a lot of definitions to remember how to tell the difference between than and then! So, how do you remember whether to use than or then in your sentence? The answer lies in understanding parts of speech.

We’re going to dive into a crash course in parts of speech, specifically using then and than for most of our examples. Once you understand how each of the words are used, remembering which word is which will be much easier.

table showing which parts of speech then and than can be

Understanding Parts of Speech

A part of speech is a category of word that relates to how the word functions in a sentence. In English, there are nine main parts of speech! You are probably most familiar with nouns, verbs, and adjectives. Luckily, to understand then vs. than, we only need to cover a few of them.

Using Then as a Noun

Let’s start with an easy one. A noun is generally described as a person, place, or thing. Then can be used as a noun. The “thing” it describes is a specific time or event. We usually use it as a replacement for the specific time once the time has already been explained. Here’s an example:

  • My dog was never scared of storms until she was outside by herself when a giant crash of thunder sounded. Ever since then, she shivers and shakes when it storms.

In the first sentence, I explain the specific event that occurred. I use then as a noun in the second sentence to refer to that instance.

example of then used as a noun

Using Then as an Adjective

Then can also function as an adjective on rare occasions. Adjectives are another easy part of speech to understand. They are descriptive words and are used to modify a noun. When then is used as an adjective, it is describing someone or something that existed at a specific point in the past. It is used in lieu of the phrase “at the time.” This usage has largely gone out of vogue, but it’s still grammatically correct.

  • In 1990, the then mayor of my city was involved in a major scandal.
  • My then boyfriend introduced me to Doctor Who a few years ago.

example of then as an adjective

Using Then as an Adverb

Finally, then usually functions as an adverb. An adverb is a word that modifies an adjective, a verb, another adverb, or a group of words. Most of the definitions of then are adverbs. It is typically modifying a verb or a reference to time rather than a plain old noun.

  • She was at the dog park then.

In the above example, then refers to “at that specific time,” which is a prepositional phrase.

  • She went to the dog park and then home.

In the above example, then is modifying went, even though we left off the word went in the second phrase.)

example of then used as an adverb

Using Than as a Conjunction

The parts of speech with than get trickier. Than is almost always used as a conjunction. Conjunctions are words that connect words, phrases, or clauses. You’re probably familiar with conjunctions like but and and. But many words function as conjunctions, at least sometimes.

Because than is usually comparing two things, it is the connection between the words or phrases. This is why it’s a conjunction.

  • The food came out quicker than we expected.
  • Dogs are better than cats.

Using Than as a Preposition

In certain situations, than is also a preposition. A preposition is a function word that modifies or governs a noun or pronoun, and it usually comes before the noun. When there is an object pronoun after than, it is functioning as a preposition.

  • She is taller than her sister.

is than a conjunction or preposition

The difference between parts of speech isn’t always so clear-cut. The conjunction versus preposition usage of then was a heated debate among grammarians for a long time. It was in the nineteenth century that the debate heated up. It was more common to use than before a noun or object pronoun back then. Take a look at these older examples.

  • “T.S. Eliot, than whom nobody could have been more insularly English.”—Anthony Burgess
  • “A man no mightier than thyself or me.”—William Shakespeare

Those examples sound strange to our modern ears, but they are correct. These days, the prepositional use of than is typically followed by object pronouns: me, you, him, her, us, and them.

So, how do you remember than versus then? Just remember that then is a noun, adjective, or adverb, and then is a conjunction or preposition. Once you know how you’re using the word in the sentence, you’ll know exactly which one to use.

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How Do I Use Than in a Sentence?

Let’s take a look at than (our conjunction and preposition word) in more detail. When do we use than in a sentence?

The best way to learn grammar is through plenty of examples. Take a look at the examples below to get a better idea of when to use than.

  • Do you think you are better than us?
  • My grandmother’s china is more than a hundred years old.
  • We moved less than a mile up the road.
  • She is a better teacher than I am.
  • I think it’s more than a passing fancy.
  • I’d rather be prepared than be stranded without the essentials.
  • Is it better to be loved rather than respected?
  • He should know better than to drive without his license.
  • The results indicated that the medication resulted in less severe symptoms than the placebo.

examples of using than

How Do I Use Then in a Sentence?

Now, let’s take a look at then with some examples. Can you identify which uses are nouns, adjectives, and adverbs?

  • They moved all the furniture to the new house then took a long nap.
  • You don’t like scary movies? Let’s watch a comedy, then.
  • Then all of a sudden, the lightning flashed.
  • She attended Harvard for her bachelor’s and then Stanford for her master’s.
  • You’ll take a right at the stop sign, then you’ll turn left by the McDonald’s.
  • Then again, maybe I won’t take the job.
  • He hasn’t been the same since then.
  • If they are out of Coca-Cola, then get me Pepsi.
  • First they ratified the Constitution and then they ratified the Bill of Rights.

examples of when to use then

Common Phrases and Idioms with Than and Then

The examples above are similar to the most common uses of then and than. But sometimes, these words get used is ways that don’t always make perfect sense. This gets especially confusing for non-native speakers.

When we use words or phrases that might not translate well, but they have meaning to native speakers, they are called idioms. Sometimes idioms are phrases that sound like proverbs or clichés, but other times they are just little phrases like interjections. An interjection is a part of speech that indicates emotion or pauses.

Idioms are more common with then than they are for than. Let’s take a look at some examples. In these cases, then often functions similarly to an interjection.

  • Well, then, tell her I said hello when you see her.
  • But then, he’d always been a curious person.
  • But then again, it could be the worst idea I’ve ever had.
  • Every now and then, she likes to have a glass of wine in the bathtub.
  • Till then, take care of yourself.
  • He said it right then and there.
  • Go on, then. Tell them what you told me.

Just for fun, here are a few common clichés or sayings that use then and than.

  • Better late than never
  • His eyes are bigger than his stomach.
  • If she’s here, then I’m a monkey’s uncle!
  • That was then. This is now.

Homophones, Similar Words, and ProWritingAid

Are than and then homophones? It depends on the grammarian that you ask. Homophones are words that sound the same but have different meanings and spellings.

Many people may wonder why Americans confuse then and than so often. This is because in most American accents, than and then sound almost exactly the same, unless they are clearly enunciating. The words are similar enough that most American grammar experts consider them homophones. But they are easy to confuse for all English speakers because they are almost spelled the same!

ProWritingAid can help you ensure you are always writing the correct word. The Grammar Report or Real-Time Report will catch most of the occasions that you mix up then and than. We also have a Homonym report for homonyms, homophones, and homographs.

suggestion for incorrect use of 'then' in PWA

More Examples of Than and Then

You’re almost an expert on the differences between these two common words! Here are a few more examples of when to use then vs. than.

  • Rather than talk it out, he gave her the silent treatment.
  • They are special in more ways than one.
  • I haven’t spoken to him since then.
  • The presenter coughed loudly, then paused.
  • It costs less than the other dress.
  • Regular bread takes longer to rise than gluten-free bread.
  • More than likely, he will want a coffee when he gets here.
  • More often than not, she is late to important events.
  • Preheat the oven, then grease the pan.
  • He looked straight at me and then winked!

What other examples can you think of that are easy to confuse?


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Krystal N. Craiker

Krystal N. Craiker

Author and Freelance Writer

Krystal N. Craiker is an author and freelance writer. She is the author of the Scholars of Elandria fantasy series. When she isn't writing, you can find her playing board games and volunteering. Krystal lives in Texas with her husband and two adorable dogs. Visit her website or follow her on Instagram.

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