We found 37 dictionaries that define the word senile:

General (26 matching dictionaries)

1. senile: Longman Dictionary of Contemporary English
2. senile: Merriam-Webster
3. senile: Oxford Learner's Dictionaries
4. senile: American Heritage Dictionary of the English Language
5. senile: Collins English Dictionary
6. senile: Vocabulary.com
7. Senile, senile: Wordnik
8. senile: Cambridge Advanced Learner's Dictionary
9. senile: Wiktionary
10. senile: Webster's New World College Dictionary, 4th Ed.
11. senile: The Wordsmyth English Dictionary-Thesaurus
12. senile: Infoplease Dictionary
13. senile: Dictionary.com
14. senile: Online Etymology Dictionary
15. senile: Cambridge Essential American English Dictionary
16. Senile (disambiguation), Senile (song), Senile: Wikipedia, the Free Encyclopedia
17. Senile: Online Plain Text English Dictionary
18. senile: Webster's Revised Unabridged, 1913 Edition
19. senile: Rhymezone
20. senile, senile, snile: AllWords.com Multi-Lingual Dictionary
21. senile: Webster's 1828 Dictionary
22. senile: FreeDictionary.org
23. senile: Mnemonic Dictionary
24. senile: TheFreeDictionary.com

Business (1 matching dictionary)

25. senile: Legal dictionary

Computing (1 matching dictionary)

26. senile: Encyclopedia

Medicine (6 matching dictionaries)

27. senile: Merriam-Webster Medical Dictionary
28. Dorland's Illustrated Medical Dictionary (No longer online)
29. Senile: MedTerms.com Medical Dictionary
30. online medical dictionary (No longer online)
31. senile: Medical dictionary
32. Senile: Drug Medical Dictionary

Science (1 matching dictionary)

33. senile: Dictionary of Botanical Epithets

Slang (1 matching dictionary)

34. senile: Urban Dictionary

Tech (1 matching dictionary)

35. Lake and Water Word Glossary (No longer online)

(Note: See senilely as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Of, or relating to old age. ▸ adjective:  (often offensive) Exhibiting the deterioration in mind and body often accompanying old age; doddering. ▸ noun:  (dated, medicine) A person who is senile. Similar: old, gaga, doddering, doddery, gerontic, geriatric, elderly, gray, golden, seniorly, more... Opposite: lucid, clearheaded, sane Types: early-onset, late-onset, progressive, reversible, frontotemporal, Alzheimer's disease, more... Phrases: senile dementia, senile plaques, senile osteoporosis, senile cataract, senile psychosis, more... Adjectives: little, more, old, quite, already, pre, somewhat, secondary, elderly, only, malum ▸ Word origin ▸ Words similar to senile ▸ Usage examples for senile ▸ Idioms related to senile ▸ Wikipedia articles (New!) ▸ Popular adjectives describing senile ▸ Popular nouns described by senile ▸ Words that often appear near senile ▸ Rhymes of senile ▸ Invented words related to senile