Synonyms and Antonyms of detrimental
- there were serious concerns that the factory's waste was detrimental to the local environment
adverse, bad, baleful, baneful, damaging, dangerous, deleterious, evil, harmful, hurtful, ill, injurious, mischievous, nocuous, noxious, pernicious, prejudicial, wicked
contagious, deadly, infectious, infective, pestiferous, pestilent, pestilential, poisonous, venomous
insidious, menacing, ominous, sinister, threatening
hazardous, imperiling (or imperilling), jeopardizing, parlous, perilous, risky, unsafe, unsound