Synonyms of 'focal'

arch, asymptotic, banner, bedrock, capital, cardinal, central, centripetal, champion, chief, concentrated, concurrent, confluent, confocal, connivent, convergent, crowning, dominant, essential, first, foremost, fundamental, great, headmost, hegemonic, indispensable, leading, life-and-death, life-or-death, magisterial, Main, master, material, meeting, Paramount, predominant, preeminent, preponderant, prevailing, primal, primary, prime, principal, radial, ranking, ruling, sovereign, star, stellar, substantive, supereminent, tangent, tangential, topflight, vital