Synonyms of 'entrenchment'

abri, aqueduct, bunker, canal, channel, confirmation, countermine, crimp, cut, Dike, ditch, dugout, encroachment, entrance, establishment, fire trench, fixation, fixedness, fixity, fixture, fosse, foxhole, gallery, goffer, gutter, ha-ha, implantation, imposition, incursion, infiltration, infixion, influx, infringement, injection, inroad, insinuation, interference, interjection, interposition, interruption, intervention, intrusion, invasion, inveteracy, irruption, kennel, mine, moat, parallel, pleat, sap, slit trench, sunk fence, trench, trespass, trough, tunnel