Synonyms of deleterious
18 similar words
Another word for deleterious is harmful. Other synonyms of deleterious are damaging, detrimental, hurtful, pernicious and prejudicial.
Synonyms and similar words for deleterious
adjectiveHarmful, often in a subtle or unexpected way.
- destructive
- harmfulCausing or likely to cause harm or damage; injurious.
- hurtfulTending to impair or damage; injurious; occasioning loss or injury.
- injurious
- noxiousHarmful; injurious.
- perniciousCausing much harm in a subtle way.
- damagingCausing damage; harmful, injurious.
- detrimentalCausing damage or harm.
- inimical
- mischievous
- nocentCausing injury; harmful.
- nocuousLikely to cause harm or damage.
- noisomeHurtful or noxious to health; unwholesome, insalubrious.
- prejudicialCausing harm or injury; detrimental, harmful or injurious.
- scathandHarmful; scathing.
- scathel
- sullen obsoleteMischievous; malignant; unpropitious.
- venom obsoletePoisonous, poisoned; (figuratively) pernicious.
Meaning of deleterious
- adjective Harmful, often in a subtle or unexpected way.
- adjective Having lower fitness.
deleterious in other languages
Questions about synonyms of deleterious
- What is another word for deleterious?
- Deleterious has 18 synonyms on Word.ws, such as harmful, damaging, detrimental, hurtful, pernicious, prejudicial, noisome and noxious.
- What does deleterious mean?
- Deleterious means harmful, often in a subtle or unexpected way.
Source and license
Adapted from Wiktionary: deleterious (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of deleterious.” Word.ws, https://word.ws/synonyms/deleterious. Based on Wiktionary, CC BY-SA 4.0.