Detrimental

a.

1.

Causing detriment; injurious; hurtful. Neither dangerous nor detrimental to the donor. - Addison.

Adj.

1.

detrimental - (sometimes followed by `to') causing harm or injury; "damaging to career and reputation"; "the reporter's coverage resulted in prejudicial publicity for the defendant" Synonyms: damaging, prejudicial, prejudicious

adverse, antagonistic, bad, baleful, baneful, conflicting, contrary, corroding, corrosive, corrupting, corruptive, counter, counteractive, counterproductive, deadly, deleterious, destructive, difficult, disadvantageous, disserviceable, distressing, evil, hard, harmful, hostile, ill, in opposition, inimical, injurious, lethal, malefic, malevolent, malign, malignant, miserable, negative, noisome, not easy, noxious, ominous, opposed, opposing, opposite, pernicious, poisonous, prejudicial, rigorous, scatheful, sinister, stressful, toxic, troublesome, troublous, trying, unadvantageous, unfavorable, unprofitable, unrewarding, untoward, useless, venenate, veneniferous, venenous, venomous, vicious, virulent, worthless, wretched