We found 31 dictionaries that define the word deleterious:

General (25 matching dictionaries)

1. deleterious: Merriam-Webster.com
2. deleterious: Oxford Learner's Dictionaries
3. deleterious: American Heritage Dictionary of the English Language
4. deleterious: Collins English Dictionary
5. deleterious: Vocabulary.com
6. Deleterious, deleterious: Wordnik
7. deleterious: Cambridge Advanced Learner's Dictionary
8. deleterious: Wiktionary
9. deleterious: Webster's New World College Dictionary, 4th Ed.
10. deleterious: The Wordsmyth English Dictionary-Thesaurus
11. deleterious: Infoplease Dictionary
12. deleterious: Dictionary.com
13. deleterious: Online Etymology Dictionary
14. Deleterious: Wikipedia, the Free Encyclopedia
15. Deleterious: Online Plain Text English Dictionary
16. deleterious: Webster's Revised Unabridged, 1913 Edition
17. deleterious: Rhymezone
18. Deleterious: AllWords.com Multi-Lingual Dictionary
19. deleterious: Webster's 1828 Dictionary
20. deleterious: Free Dictionary
21. deleterious: The Phrontistery - A Dictionary of Obscure Words
22. deleterious: Mnemonic Dictionary
23. deleterious: Dictionary/thesaurus

Business (2 matching dictionaries)

24. deleterious: Law.com Dictionary
25. deleterious: Legal dictionary

Medicine (3 matching dictionaries)

26. Dorland's Illustrated Medical Dictionary (No longer online)
27. online medical dictionary (No longer online)
28. deleterious: Medical dictionary

Slang (1 matching dictionary)

29. deleterious: Urban Dictionary

(Note: See deleteriously as well.)

Definitions from Wiktionary ( ) ▸ adjective:  (formal) Harmful, often in a subtle or unexpected way. ▸ adjective:  (genetics) Having lower fitness. Similar: noxious, injurious, harmful, hurtful, deletorious, detrimental, prejudicial, detremental, malignant, incidious, more... Opposite: beneficial, helpful, useful, favorable Types: bad, harmful, detrimental, injurious, noxious, more... Phrases: opposite of deleterious, something deleterious, more... Colors:     gray,     black,     dark green,     olive,     maroon, more... ▸ Word origin ▸ Words similar to deleterious ▸ Usage examples for deleterious ▸ Idioms related to deleterious ▸ Wikipedia articles (New!) ▸ Popular nouns described by deleterious ▸ Words that often appear near deleterious ▸ Rhymes of deleterious ▸ Invented words related to deleterious