Synonyms of discordant

1 Syllable
shrill, harsh
2 Syllables
off-base, unapt, harshest, clashing, roiled, harsher, squally, squallier, scratchy, croupier, strident, breathier, jangly, clinker, breathy, hoarser, clanging, off-key, squawky, off-pitch, off-tone, grating, shrillest, jarring, croupy, shriller, raucous, unfit, jangling, scratchier
3 Syllables
discrepant, incongruous, divergent, conflicting, unfitting, disagreeing, wrongheaded, contrariant, unlike, improper, atonal, different, dissonant, stertorous, mismatched, out-of-key, out-of-tune, stridulous, tuneless, untuned, harsh-sounding, absonant, contrary, incongruent, dissident, contrarient, quarreling
4 Syllables
inharmonious, out-of-place, out-of-season, unbefitting, inharmonic, opposite, disparate, unsuitable, ungregarious, vociferant, disharmonic, divisive, cacophonic, ill-equipped, uncongenial, inconsonant, unadapted, disconsonant, disharmonious, cacophonous, incoherent, unharmonious, unmelodious, unmixable, unmusical, inconsistent
5 Syllables
antagonistic, inapposite, antipathetic, incompatible, inconformable, contradictory, heterogeneous, incohesive
6 Syllables
irreconcilable