Abnegation. Denial, abjuration, renunciation, rejection, surrender, abandonment, disallowance, abstinence.
Ant. Assertion, vindication, license, claim, indulgence, concession; affirmation, allegation, statement, declaration, word, averment, deposition; proposal, proffer.
Abnormal. Singular, unnatural, unusual, irregular, peculiar, exceptional, aberrant, erratic, monstrous, preternatural.
Ant. Normal, regular, usual, natural, typical, customary, ordinary, common.
Aboard. On board, on the ship, afloat, inside, within.
Ant. Ashore, aground.
Abode. Home, house, place, residence, domicile, habitation, dwelling, lodging, quarters, seat.
Ant. Halt, tent, bivouac, perch.
Abolish. Abrogate, annul, destroy, repeal, revoke, suppress, terminate, rescind, cancel, nullify, suppress, overthrow, extirpate, remove, prohibit, set aside, end, stamp out.
Ant. Establish, support, sustain, cherish, confirm, continue, restore, revive, reinstate, institute, promote, legalize.