harmfulness

== English == === Etymology === From harmful +‎ -ness. === Noun === harmfulness (countable and uncountable, plural harmfulnesses) The characteristic of being harmful. ==== Synonyms ==== poisonousness ==== Antonyms ==== harmlessness innocuousness ==== Translations ==== === References === Noah Webster (1828), “harmfulness”, in An American Dictionary of the English Language: […], volume I (A–I), New York, N.Y.: […] S. Converse; printed by Hezekiah Howe […], →OCLC. “harmfulness”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.