Synonyms for Render invalid:

• v.

  •call off; erase (verb)
  • cancel.
  •cancel (verb)
  • eradicate,
  • wipe out,
  • expunge,
  • annul,
  • black out,
  • rescind,
  • rub out,
  • omit,
  • scratch out,
  • trim,
  • quash,
  • abort,
  • wipe slate clean,
  • smash,
  • sink,
  • remove,
  • repudiate,
  • obliterate,
  • do in,
  • x-out,
  • break off,
  • kill,
  • do away with,
  • ax,
  • strike out,
  • break,
  • wash out,
  • squash,
  • abolish,
  • delete,
  • blot out,
  • torpedo,
  • total,
  • eliminate,
  • off,
  • countermand,
  • cross out,
  • efface,
  • trash,
  • go back on one's word,
  • deface,
  • scrub,
  • finish off,
  • abrogate,
  • revoke,
  • cut,
  • zap,
  • destroy,
  • stamp across,
  • undo,
  • repeal.

Antonyms for Render invalid:

• v.

  • cancel
    continue, institute, allow, aid, build, support, enact, permit, begin, construct, create, bear, lose, assist, mend, approve, restore, fasten, arrange, help, establish, validate, add, strengthen, uphold, keep, sanction, imbalance, give birth, tip, ratify, start, fix.