harmful
Translation
harmful, damaging, injurious
Examples
This chemical is harmful to the environment.
This chemical is harmful to the environment.
It has a harmful effect on children.
It has a harmful effect on children.
Grammar Patterns
harmful ((to sb./sth.)) causing damage to someone or something. The sun's rays can be harmful to your skin.
a harmful ((effect/impact)) a negative consequence. The policy had a harmful effect on the economy.
Similar Words
Synonyms: damaging, detrimental, injurious; Antonyms: harmless, beneficial
Etymology
From 'harm' + the suffix '-ful', meaning 'full of'. Literally 'full of harm'.
Memory Tips
Remember that something 'harmful' is 'full' of 'harm'.