Synonyms of rejection

1 Syllable
nix, doubt, pass
2 Syllables
turndowns, brush-off, turndown, waivers, go-by, bounce, retching, goby, knockback, unfaith, denials, brushoff, waiver, rebuff, veto, denial
3 Syllables
desertion, objection, exception, coventry, nihilism, restrainer, nonbelief, defection, objections, traversals, ostracism, traversal, exclusion, desertions, exceptions, refusals, unbelief, demurral, enjoinment, nonconsent, purgation, dismissal, queasiness, disownment, defections, refusal, biliousness, squeamishness, disbelief, negations, negation, nihilisms, exclusions, restrainers, recreancy
4 Syllables
declination, abnegation, recusancy, renunciation, protestation, negatory, declinations, remonstration, disavowal, controversion, renegement, bohemianism, recusance, nonagreement, liquidation, repudiation, renouncement, protestations, liquidations, iconoclasm, disallowment, agnosticism
5 Syllables
elimination, heterodoxy, tergiversation, neutralization, nonacceptance, disaffirmation, disaffirmance, contumaciousness, counter-argument, regurgitation, disallowance, incredulousness, eliminations, unorthodoxy, nonconformity, counterargument
7 Syllables
unconventionality