unfavorable
adjective(un-fa-vor-a-ble)
involving or creating circumstances detrimental to success or effectiveness
Examples:
Made an unfavorable impression.
unfavorable
adjective(un-fa-vor-a-ble)
(of winds or weather) tending to hinder or oppose
Examples:
Unfavorable winds.
unfavorable
adjective(un-fa-vor-a-ble)
not encouraging or approving or pleasing
Examples:
Unfavorable conditions.
An unfavorable comparison.
Unfavorable comments.
Unfavorable impression.