1) Admonishing 2) Admonitory 3) Adverse 4) Contrary 5) Critical 6) Disapproving 7) Discriminatory 8) Harmful 9) Hostile 10) Inauspicious 11) Invidious 12) Negative 13) Not favorable 14) Reproachful 15) Reproving 16) Tending to hinder or oppose 17) Uncomplimentary 18) Undesirable 19) Unfavourable 20) Unfortunate 1) Admonishing 2) Adverse 3) Bad 4) Contrarious 5) Critical 6) Dim 7) Disadvantageous 8) Disapproving 9) Inauspicious 10) Inimical 11) Invidious 12) Reproachful 13) Reproving 14) Uncomplimentary 15) Unfavourable 16) Unhappy 17) Unpropitious 
• (a.) Not favorable; not propitious; adverse; contrary; discouraging.
[adj] - not favorable 2. [adj] - not encouraging or approving or pleasing 3. [adj] - (of winds or weather) tending to hinder or oppose
unfavourable adjective not favorable; `made an unfavorable impression`; `unfavorable reviews`
not favorable; contrary; adverse: an unfavorable wind. · not propitious: an unfavorable omen. · unfortunate; undesirable; disadvantageous: an unfavorable development.