harmful

== English == === Alternative forms === harmfull (archaic) === Etymology === From Middle English harmful, from Old English *hearmful (suggested by hearmfullīċ (“harmful; hurtful”)), equivalent to harm +‎ -ful. Cognate with German harmvoll, Danish harmfuld, Swedish harmfull. === Pronunciation === (Received Pronunciation) IPA(key): /ˈhɑːmfl̩/ (General American) IPA(key): /ˈhɑɹmfl̩/ === Adjective === harmful (comparative harmfuller or more harmful, superlative harmfullest or most harmful) Causing or likely to cause harm or damage; injurious. ==== Synonyms ==== injurious; see also Thesaurus:harmful ==== Antonyms ==== beneficial harmless ==== Derived terms ==== ==== Collocations ==== ==== Translations ==== ==== See also ==== harm