Synonyms of unfavorable

1 Syllable

ill, wrong, low, poor, worst, late

2 Syllables

froward, tardy, naysaying, coner, unfit

3 Syllables

ill-timed, hostile, opposed, averse, damaging, unsuited, conflicting, unseemly, dissentient, contrariant, mistimed, improper, ominous, debit-side, blackhearted, unlucky, threatening, disastrous, unfriendly, oppugnant, ill-boding, sinister, untoward, adverse, contrary, godawful, resentful

4 Syllables

lamentable, ill-advised, inexpedient, malapropos, troublesome, destructive, calamitous, unpropitious, disparaging, untimely, dyslogistic, detrimental, ill-omened, discouraging, negative, ill-disposed, unwelcoming, inauspicious, unpromising, prejudicial, inconvenient, privative, inimical, unneighborly, discommodious, regrettable

5 Syllables

inadvisable, antagonistic, infelicitous, inopportune, unseasonable, unfortunate, disadvantageous, unreceptive, inhospitable, derogatory, epithetical, objectionable

6 Syllables

unaffirmative, counterproductive