unfavourable
1 adverse, bad, contrary, disadvantageous, hostile, ill-suited, infelicitous, inimical, low, negative, poor, unfortunate, unfriendly, unsuited
2 inauspicious, inopportune, ominous, threatening, unlucky, unpromising, unpropitious, unseasonable, untimely, untoward
1 amicable, approving, favourable, friendly, positive, warm, well-disposed