Synonyms of negatory

1 Syllable
blank, no, void
2 Syllables
veto, gainsaying
3 Syllables
vacuity, nothingness, refusal, inverse, contrary, converse, negations, negation, reverse, proscription, antonym, counterpart, nullity, rejection, disclaimer
4 Syllables
antithesis, disavowal, renunciation, opposite, repudiation, cancellation, opposition
5 Syllables
nonexistence, neutralization, nullification