deleterious
English
editAlternative forms
edit- deletorious (now proscribed)
Etymology
editBorrowed (1640s, 1582 as deletorious) from Medieval Latin deleterius, deletorius, from Ancient Greek δηλητήριος (dēlētḗrios, “noxious, deleterious”), from δηλητήρ (dēlētḗr, “a destroyer”), from δηλέομαι (dēléomai, “I hurt, damage, spoil, waste”).[1]
Pronunciation
edit- (Received Pronunciation) IPA(key): /ˌdɛlɪˈtɪəɹi.əs/, /ˌdɪlɪˈtɪəɹi.əs/
- (US) IPA(key): /ˌdɛləˈtɪɹi.əs/
Audio (US): (file) Audio (General Australian): (file) - Rhymes: -ɪəɹiəs
Adjective
editdeleterious (comparative more deleterious, superlative most deleterious)
- Harmful, often in a subtle or unexpected way.
- Synonyms: destructive, harmful, hurtful, injurious, noxious, pernicious; see also Thesaurus:harmful
- deleterious effects
- deleterious to someone's health
- 1850, Nathaniel Hawthorne, “chapter XV”, in The Scarlet Letter:
- Or might it suffice him, that every wholesome growth should be converted into something deleterious and malignant at his touch?
- 1946 May and June, J. G. Holmes, “The North Woolwich Branch”, in Railway Magazine, page 176:
- A trolleybus service was established by the London Passenger Transport Board between North Woolwich and Stratford on February 6, 1938, and had a deleterious effect on railway passenger traffic.
- 2017 September, Jean M. Twenge, “Have Smartphones Destroyed a Generation?”, in The Atlantic[1]:
- The advent of the smartphone and its cousin the tablet was followed quickly by hand-wringing about the deleterious effects of “screen time.” But the impact of these devices has not been fully appreciated, and goes far beyond the usual concerns about curtailed attention spans.
- (genetics) Having lower fitness.
- A deleterious mutation
Derived terms
editRelated terms
editTranslations
editharmful
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References
edit- ^ Douglas Harper (2001–2024) “deleterious”, in Online Etymology Dictionary.
Further reading
edit- “deleterious”, in OneLook Dictionary Search.
- “deleterious”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
- Douglas Harper (2001–2024) “deleterious”, in Online Etymology Dictionary.
Categories:
- English terms borrowed from Medieval Latin
- English terms derived from Medieval Latin
- English terms derived from Ancient Greek
- English 5-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/ɪəɹiəs
- Rhymes:English/ɪəɹiəs/5 syllables
- English lemmas
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- en:Genetics