Deleterious Del`e*te"ri*ous, a. [LL. deleterius noxious, Gr. dhlhth`rios, fr. dhlei^sqai to hurt, damage; prob. akin to L. delere to destroy.] 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. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • deleterious — I adjective adverse, bad, baleful, baneful, consuming, corroding, corrosive, damaging, deadly, disadvantageous, disserviceable, envenomed, fatal, foul, harmful, injurious to health, insalubrious, lethal, malefic, maleficent, malignant, miasmal,… …   Law dictionary

  • Deleterious — means harmful or injurous to health.Deleterious may also refer to:* Deleterious genes …   Wikipedia

  • deleterious — 1640s, from M.L. deleterius, from Gk. deleterios noxious, from deleter destroyer, from deleisthai to hurt, injure. Related: Deleteriously; deleteriousness …   Etymology dictionary

  • deleterious — detrimental, *pernicious, baneful, noxious Analogous words: injuring or injurious, harming or harmful, hurting or hurtful (see corresponding verbs at INJURE): destroying or destructive (see corresponding verb DESTROY): ruining or ruinous (see… …   New Dictionary of Synonyms

  • deleterious — [adj] harmful, damaging bad, destroying, destructive, detrimental, hurtful, injurious, mischievous, nocent, nocuous, pernicious, prejudicial, prejudicious, ruining, ruinous; concepts 537,570 Ant. aiding, assisting, helpful …   New thesaurus

  • deleterious — ► ADJECTIVE ▪ causing harm or damage. DERIVATIVES deleteriously adverb. ORIGIN Greek d l t rios noxious …   English terms dictionary

  • deleterious — [del΄ə tir′ē əs] adj. [Gr dēlētērios < dēlēter, a destroyer < dēleisthai, to injure < IE base * del , to split] harmful to health or well being; injurious SYN. PERNICIOUS deleteriously adv. deleteriousness n …   English World dictionary

  • deleterious — adjective Etymology: Greek dēlētērios, from dēleisthai to hurt Date: 1643 harmful often in a subtle or unexpected way < deleterious effects > < deleterious to health > Synonyms: see pernicious • deleteriously adverb • deleteriousness …   New Collegiate Dictionary

  • deleterious — deleteriously, adv. deleteriousness, n. /del i tear ee euhs/, adj. 1. injurious to health: deleterious gases. 2. harmful; injurious: deleterious influences. [1635 45; < Gk deletérios destructive, adj. deriv. of deletér destroyer, equiv. to dele… …   Universalium

  • deleterious — Injurious; noxious; harmful. [G. deleterios, fr. deleomai, to injure] * * * del·e·te·ri·ous .del ə tir ē əs adj harmful often in a subtle or an unexpected way <the deleterious effects of radiation and chemotherapy on the marrow (Christine… …   Medical dictionary

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