Thesaurus

harmful

adjective

Synonyms and Antonyms of harmful

causing or capable of causing harm

They use a pest control method that is not harmful to the environment.

Synonyms of harmful

adverse, bad, baleful, baneful, damaging, dangerous, deleterious, detrimental, evil, hurtful, ill, injurious, mischievous, nocuous, noxious, pernicious, prejudicial, wicked

Words Related to harmful

hostile, inimical, unfriendly

contagious, deadly, infectious, infective, pestiferous, pestilent, pestilential, poisonous, venomous

insidious, menacing, ominous, sinister, threatening

hazardous, imperiling (or imperilling), jeopardizing, perilous, risky, unsafe, unsound

nasty, noisome, unhealthful, unhealthy, unwholesome

destructive, fatal, killer, lethal, malignant, ruinous

Near Antonyms of harmful

advantageous, beneficial, useful

favorable, good, propitious

curative, healthful, healthy, helpful, palliative, remedial, salubrious, salutary, wholesome

Antonyms of harmful

benign, harmless, hurtless, innocent, innocuous, inoffensive, safe

Learn More about harmful

Dictionary: Definition of harmful Spanish Central: Translation of harmful Nglish: Translation of harmful for Spanish speakers Britannica English: Translation of harmful for Arabic speakers

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