英和和英

別の表記

• deletorious (now proscribed)

語源

Adapted borrowing (1640s; 1582 as deletorious) of New Latin dēlētērius, dēlētōrius +‎ -ous, from Ancient Greek δηλητήριος (dēlētḗrios, “noxious, deleterious”), from δηλητήρ (dēlētḗr, “a destroyer”), from δηλέομαι (dēléomai, “I hurt, damage, spoil, waste”). Not related to delete or deleble. Doublet of deletery.

発音

• (Received Pronunciation) IPA: /ˌdɛl.ɪˈtɪə̯.ɹi.əs/, /ˌdɪl.ɪˈtɪə̯.ɹi.əs/
• (米国発音) IPA: /ˌdɛ.ləˈtɪɹ.i.əs/
• 韻: -ɪəɹiəs

形容詞

deleterious (comparative more deleterious, superlative most deleterious)

1. (formal) 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:

     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.

2. (genetics) Having lower fitness.

   A deleterious mutation

派生語

参照

Further reading

• “deleterious”, in OneLook Dictionary Search.

• “deleterious”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.