Crossword Dictionary
ANNUL
annul, annuls, cancel, rescind, annulled, disannul, annulling, unlaw - v
to make or declare void or invalid
Synonyms
abolish, abrogate, cancel, declare, delete, dissolve, expunge, invalidate, nullify, quash, repeal, rescind, retract, reverse, revoke, undo, vacate, abate, annihilate, countermand, discharge, efface, erase, kill, negate, neutralize, nix, obliterate, recall, scrub, vitiate
Examples
The bishop of Rome, who enjoys a unique title, that of " pope," may annul the decrees of all other powers, since he judges all but is judged by none.
A third class of electric wave detector depends upon the power of electric oscillations to annul the electrolytic polarization of electrodes of small surface immersed in an electrolyte.
Finally the king and council unanimously agreed to annul the proceeding of the parlement of Toulouse; Calas was declared to have been innocent, and every imputation of guilt was removed from the family.
Etymology
late 14c., "invalidate, make void, nullify;" from Anglo-French and Old French anuler "cancel, wipe out" (13c.) or directly from Late Latin annullare "to make to nothing," from Latin ad "to" (see ad-) + nullum, neuter of nullus "nothing, none" (from PIE root *ne- "not"). Related: Annulled; annulling.