harmfully
harm-ful-ly
adverb
In a manner that causes damage, injury, or adverse effects.
"The chemicals harmfully affected the environment."
Thesaurus
Synonyms: noxiously, detrimentally
Antonyms: harmlessly
harm-ful-ly
In a manner that causes damage, injury, or adverse effects.
"The chemicals harmfully affected the environment."
Synonyms: noxiously, detrimentally
Antonyms: harmlessly