Akademik

harmfulness
noun
1. destructiveness that causes harm or injury
Syn: ↑injuriousness
Derivationally related forms: ↑injurious (for: ↑injuriousness), ↑harmful
Hypernyms: ↑destructiveness
Hyponyms: ↑insidiousness, ↑virulence, ↑virulency
2. the quality of being noxious
Syn: ↑noisomeness, ↑noxiousness
Derivationally related forms: ↑noxious (for: ↑noxiousness), ↑noisome (for: ↑noisomeness)
Hypernyms: ↑unwholesomeness, ↑morbidness, ↑morbidity

Useful english dictionary. 2012.