untoward

Synonyms: adverse annoying awkward contrary disastrous disturbing fractious hapless ill-starred inauspicious inconvenient indocile inimical inopportune intractable irritating luckless misfortunate perverse recalcitrant refractory star-crossed undisciplined unfavorable unfortunate ungovernable unhappy unlucky unmanageable unpliable unpropitious unruly untimely unyielding vexatious wild

Antonyms: auspicious happy lucky

Synonyms: improprietous inappropriate indecent indecorous indelicate malodorous out of place rough unbecoming uncouth unfitting ungodly unseemly

Antonyms: acceptable proper suitable