unhelpful or hurtful

unfavorable, antagonistic

causing disaster

detrimental, devastating

very wicked, bad; likely to cause trouble

sinful, immoral

being or appearing unfriendly

antagonistic, mean

not favourable or promising; unlucky

ominous, unpromising

not suitable or favourable

not appropriate or suitable

said or done at an unsuitable time

not appropriate or suitable

threatening

menacing, foreboding

suggesting evil or the likelihood of bad luck

nasty, menacing

menacing, ominous

menacing, ominous

unlucky; causing a person to feel sorry or bad

unlucky, bad

not friendly

nasty, hostile

happening before the expected time

inappropriate