DELETERIOUS

deleterious, hurtful, injurious

(adjective) harmful to living things; “deleterious chemical additives”

Source: WordNet® 3.1

deleterious (comparative more deleterious, superlative most deleterious)

Harmful often in a subtle or unexpected way.

Synonyms: destructive, harmful, hurtful, injurious, noxious, pernicious, Thesaurus:harmful

(genetics) having lower fitness.

Source: Wiktionary

Del`e*te"ri*ous, a. Etym: [LL. deleterius noxious, Gr. delere to destroy.]

Definition: Hurtful; noxious; destructive; pernicious; as, a deleterious plant or quality; a deleterious example.

– Del`e*te"ri*ous*ly, adv.

– Del`e*te"ri*ous*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition

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3 April 2025

(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”

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