Unfavorable

critical uncomplimentary negative unpropitious bad hostile necessary evil conducive no dice delay go south disapproving alive and kicking fools rush in where angels fear to tread unfavorability luck of draw sour unsuitable inclement zonk hangar queen unflatter auspicious toss up apprehension obstacle worst hostile witness disapprove unwholesome unfavorably oppose unfavorableness living end disadvantageous spore bum rap do no harm adverse favorable hinder hatchet job bite biscuit discountenance kettle of fish slam piece ill boding pay piper inconducive unfair