170 entries under annul topic. ×

1
turn upside down(verb, expression, idiom, upset, reverse)
1
undermine(spoil, cancel, undo, impair, discredit)
1
upend(verb, upset, reverse, void)
1
upturn(verb, upset, reverse, void)
1
zap(verb, stop, end, ruin, crush)
0
apostatize(withdraw, renounce, repudiate)
0
back down(expression, withdraw, renounce, repudiate)
0
back off(expression, withdraw, renounce, repudiate)
0
back out of(verb, expression, idiom, remove, dismiss)
0
bleep(cancel, dissolve, vacate)
0
clean up(expression, cancel, vacate)
0
clear(cancel, vacate)
0
deplete(cancel, vacate)
0
dial back(expression, withdraw, renounce, repudiate)
0
dispose(cancel, vacate)
0
drain(cancel, vacate)
0
drop(end, abandon, halt, terminate, cancel)
0
dump(cancel, contradict, refute, disprove)
0
eject(cancel, vacate)
0
flow(cancel, vacate)
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APASmart Define. (2016). nullify thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nullify/thesaurus/synonyms
ChicagoSmart Define. 2016. "nullify thesaurus" https://smartdefine.org/nullify/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, nullify thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nullify/thesaurus/synonyms>.
MLASmart Define. "nullify thesaurus" 2 April 2016. Web. 22 September 2026. <https://smartdefine.org/nullify/thesaurus/synonyms>