Annul

• POS: Verb (usu participle)
• HYPHEN: an=nul

CIDE DICTIONARY

Annul, v. t. [F. annuler, LL. annullare, annulare, fr. L. ad to + nullus none, nullum, neut., nothing. See Null, a.].

•  To reduce to nothing; to obliterate.  [1913 Webster]

  "Light, the prime work of God, to me's extinct.
  And all her various objects of delight
  Annulled."  [1913 Webster]
•  To make void or of no effect; to nullify; to abolish; to do away with; -- used appropriately of laws, decrees, edicts, decisions of courts, or other established rules, permanent usages, and the like, which are made void by component authority.  [1913 Webster]

  "Do they mean to annul laws of inestimable value to our liberties?"  [1913 Webster]

Syn. -- To abolish; abrogate; repeal; cancel; reverse; rescind; revoke; nullify; destroy. See Abolish.

OXFORD DICTIONARY

Annul, v.tr. (annulled, annulling)
1 declare (a marriage etc.) invalid.
2 cancel, abolish.

Derivative

annulment n.

Etymology

ME f. OF anuller f. LL annullare (as AD-, nullus none)

THESAURUS

Annul

abate, abolish, abrogate, abstract, annihilate, black out, blot out, bring to naught, bring to nothing, buffer, cancel, cancel out, come to nothing, counteract, counterbalance, countercheck, countermand, counterorder, delete, disannul, discharge, dispose of, dissolve, divorce, do away with, efface, eliminate, expunge, extinguish, frustrate, grant a divorce, grant an annulment, invalidate, make void, negate, negativate, negative, neutralize, nullify, obliterate, obtain a divorce, offset, outweigh, overbalance, override, overrule, part, put asunder, put away, quash, recall, recant, redress, remove, renege, repeal, rescind, retract, reverse, revoke, separate, set aside, split up, stultify, sue for divorce, suspend, thwart, undo, unmarry, untie the knot, vacate, vitiate, void, waive, wipe out, withdraw, write off

ROGET THESAURUS

Annul

Abrogation

VB abrogate, annul, cancel, destroy, abolish, revoke, repeal, rescind, reverse, retract, recall, abolitionize, overrule, override, set aside, disannul, dissolve, quash, nullify, declare null and void, disestablish, disendow, deconsecrate, disclaim, ignore, repudiate, recant, divest oneself, break off, countermand, counter order, do away with, sweep away, brush away, throw overboard, throw to the dogs, scatter to the winds, cast behind, dismiss, discard, cast off, turn off, cast out, cast adrift, cast out of doors, cast aside, cast away, send off, send away, send packing, send about one's business, discharge, get rid of, bounce, fire, fire out, sack, cashier, break, oust, unseat, unsaddle, unthrone, dethrone, disenthrone, depose, uncrown, unfrock, strike off the roll, disbar, disbench, be abrogated, receive its quietus, walk the plank.