Synonyms for Declare null and void:

• v.

  •cancel, change (verb)
  • reverse.
  •quash (verb)
  • shut down,
  • negate,
  • dissolve,
  • watergate,
  • put the lid on,
  • abrogate,
  • overrule,
  • clamp down on,
  • crack down on,
  • veto,
  • black out,
  • bottle up,
  • hush up,
  • repeal,
  • vitiate,
  • discharge,
  • rescind,
  • overthrow,
  • undo,
  • kill,
  • set aside,
  • put damper on,
  • cork up,
  • squelch.
  •reverse (verb)
  • dismantle,
  • retract,
  • renege,
  • countermand,
  • double back,
  • recall,
  • overturn,
  • modify,
  • nullify,
  • backtrack,
  • convert,
  • turn the tables,
  • alter,
  • flip-flop,
  • upset,
  • backpedal,
  • lift,
  • turn around,
  • Overset.
  •revoke (verb)
  • disown,
  • repudiate,
  • call off,
  • deny,
  • remove,
  • dismiss,
  • erase,
  • abolish,
  • abjure,
  • wipe out,
  • counterorder,
  • renounce,
  • recant,
  • forswear,
  • nix,
  • withdraw,
  • scrub,
  • rub out,
  • back out of,
  • obliterate,
  • call back,
  • disclaim,
  • expunge.
  •void (verb)
  • cut,
  • take out,
  • launder,
  • gut,
  • sanitize,
  • clean up,
  • abnegate,
  • drop,
  • bleep,
  • trim,
  • blue pencil,
  • sterilize.

• Other synonyms:

  •quash
  • corked up,
  • corking up,
  • cracking down on,
  • declared null and void,
  • setting aside,
  • put lid on,
  • Quashed.
  •Other relevant words:
  • quash,
  • revoke,
  • void,
  • invalidate,
  • avoid,
  • vacate,
  • annul,
  • make void.

Antonyms for Declare null and void:

• v.

  • quash
    keep, aid, rebuild, approve, support, sanction, start, help, permit, allow, DO, validate, enforce, assist.
  • reverse
    meet, go ahead, retain, pass, reserve, hold.
  • revoke
    construct, admit, remain, ratify, institute, enact, create, authorize, stay, accept, acknowledge, fix, establish, legalize, affirm, corroborate, claim, build.