harmful

harm·ful

adj \ˈhärm-fəl\

Definition of HARMFUL

: of a kind likely to be damaging : injurious

— harm·ful·ly \-fə-lē\ adverb

— harm·ful·ness noun

Examples of HARMFUL

1. <DDT has been proven to be extremely harmful to the environment.>

First Known Use of HARMFUL

14th century

Related to HARMFUL

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

Antonyms: anodyne, benign, harmless, hurtless, innocent, innocuous, inoffensive, safe

Related Words: hostile, inimical, unfriendly; contagious, deadly, infectious, infective, pestiferous, pestilent, pestilential, poisonous, venomous; insidious, menacing, ominous, sinister, threatening; hazardous, imperiling (or imperilling), jeopardizing, parlous, perilous, risky, unsafe, unsound; nasty, noisome, unhealthful, unhealthy, unwholesome; destructive, fatal, killer, lethal, malignant, ruinous

Near Antonyms: advantageous, beneficial, useful; favorable, good, propitious; curative, healthful, healthy, helpful, palliative, remedial, salubrious, salutary, wholesome; secure, sound; benignant; noncorrosive, nondestructive, nonfatal, noninfectious, nonlethal, nonpoisonous, nonpolluting, nontoxic, nonvenomous

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