DELETERIOUS

deleterious, hurtful, injurious

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

Source: WordNet® 3.1


Etymology

Adjective

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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Word of the Day

9 May 2025

RIGHT

(noun) anything in accord with principles of justice; “he feels he is in the right”; “the rightfulness of his claim”


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Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

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