| Main Entry: | |
| Part of Speech: | noun |
| Definition: | fortification, support |
| Synonyms: | barrier, bastion, buffet, buttress, citadel, defense, embankment, fort, fortress, guard, mainstay, outwork, parapet, partition, protection, rampart, redoubt, safeguard, security, stronghold, vallation |
| Antonyms: | weak point |
| Main Entry: | bastion |
| Part of Speech: | noun |
| Definition: | support; fortified place |
| Synonyms: | breastwork, bulwark, citadel, defense, fortification, fortress, mainstay, parapet, prop, protection, rock, stronghold, support, tower of strength |
| Antonyms: | weak spot, weakness |
| Main Entry: | bolster |
| Part of Speech: | verb |
| Definition: | help |
| Synonyms: | aid, assist, bear up, boost, brace, buck up, bulwark, buoy, buttress, carry, cushion, help, hold up, maintain, pick up, pillow, prop, reinforce, shore up, stay, strengthen, support, sustain, uphold |
| Antonyms: | hinder, not support, obstruct, prevent, undermine |
| Main Entry: | buffer |
| Part of Speech: | noun |
| Definition: | safeguard |
| Synonyms: | bulwark, bumper, cushion, defense, fender, intermediary, screen, shield, shock absorber |
| Main Entry: | buttress |
| Part of Speech: | verb |
| Definition: | support, bolster |
| Synonyms: | back up, beef up, brace, build up, bulwark, carry, jack up, jazz up, prop, reinforce, shore, step up, strengthen, sustain, uphold |
| Antonyms: | let down, weaken |
| Main Entry: | cover |
| Part of Speech: | verb |
| Definition: | protect, guard |
| Synonyms: | bulwark, defend, fend, house, reinforce, safeguard, screen, secure, shelter, shield, watch over |
| Antonyms: | abandon, disregard, forget, ignore, leave alone |
| Main Entry: | defend |
| Part of Speech: | verb |
| Definition: | protect |
| Synonyms: | avert, battle, beat off, bulwark, care for, cherish, conserve, contend, cover, entrench, espouse, fend off, fight, fight for, fortify, foster, garrison, guard, guard against, hedge, hold, hold at bay, house, insure, keep safe, look after, maintain, mine, nourish, oppose, panoply, preserve, prevent, provide sanctuary, repel danger, resist, retain, safeguard, save, screen, secure, shelter, shield, stave off, sustain, take in, uphold, war, ward off, watch, watch over, withstand |
| Antonyms: | abandon, attack, desert, leave, quit, relinquish, resign, surrender |
| Main Entry: | defense |
| Part of Speech: | noun |
| Definition: | armament; protection system |
| Synonyms: | aegis, armor, arms, barricade, bastille, bastion, bulwark, buttress, citadel, cover, deterrence, dike, embankment, fastness, fence, fort, fortification, fortress, garrison, guard, immunity, munitions, palisade, parapet, position, protection, rampart, redoubt, resistance, safeguard, security, shelter, shield, stockade, stronghold, trench, wall, ward, warfare, weaponry, weapons |
| Antonyms: | desertion, flight, surrender |
| Main Entry: | fend |
| Part of Speech: | verb |
| Definition: | defend |
| Synonyms: | bulwark, cover, dodge, guard, oppose, parry, protect, repel, resist, safeguard, screen, secure, shield |
| Antonyms: | surrender, yield |