Definify.com

Webster 1828 Edition


Harmful

H`ARMFUL

,
Adj.
Hurtful; injurious; noxious; detrimental; mischievous.
The earth brought forth fruit and food for man, without any mixture of harmful quality.

Definition 2024


harmful

harmful

English

Alternative forms

Adjective

harmful (comparative harmfuller or more harmful, superlative harmfullest or most harmful)

  1. of a kind likely to be damaging; injurious
    Wear a hat to protect your skin from harmful sunlight.

Usage notes

  • Nouns to which "harmful" is often applied: effect, consequence, impact, influence, emission, chemical, ingredient, substance, gas, agent, additive, drug, radiation, dust, organism, plant, animal, insect, action, act, behavior, component, content, activity, interference, use.

Synonyms

Antonyms

Translations

See also