Antonyms for harmless
- adjective
Antonyms
- adj. · innocuous
- harmful, mischievous, noxious, damaging, hurtful, pernicious, threatening, deleterious, beneficial, virulent, perilous, fatal, pestilential, lethal, scary, baleful, traumatic, suicidal, menacing, terrifying, worrisome
In other languages
- Français
- inoffensif
- Italiano
- inoffensivo