baneful

== English == === Etymology === From bane +‎ -ful. === Adjective === baneful (comparative more baneful, superlative most baneful) (archaic) Poisonous, deadly. Harmful, injurious. ==== Synonyms ==== fatal mortal ==== Antonyms ==== helpful productive ==== Related terms ==== bane banefully banefulness ==== Translations ==== ==== See also ==== baleful