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We found 40 dictionaries with English definitions that include the word sentinel:
Click on the first link on a line below to go directly to a page where "sentinel" is defined.

General (30 matching dictionaries)

1. sentinel: Merriam-Webster.com [home, info]
2. sentinel: Oxford Learner's Dictionaries [home, info]
3. sentinel: American Heritage Dictionary of the English Language [home, info]
4. sentinel: Collins English Dictionary [home, info]
5. sentinel: Vocabulary.com [home, info]
6. sentinel: Macmillan Dictionary [home, info]
7. Sentinel, sentinel: Wordnik [home, info]
8. sentinel: Cambridge Advanced Learner's Dictionary [home, info]
9. Sentinel, sentinel: Wiktionary [home, info]
10. sentinel: Webster's New World College Dictionary, 4th Ed. [home, info]
11. sentinel: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. sentinel: Infoplease Dictionary [home, info]
13. sentinel: Dictionary.com [home, info]
14. sentinel: Online Etymology Dictionary [home, info]
15. Sentinel, sentinel: UltraLingua English Dictionary [home, info]
16. Sentinel (Beast Wars), Sentinel (FBI), Sentinel (Fairmont), Sentinel (Marvel Comics), Sentinel (band), Sentinel (building), Sentinel (comic book), Sentinel (comics), Sentinel (computer science), Sentinel (disambiguation), Sentinel (horse), Sentinel (instrumental), Sentinel (newspaper), Sentinel (publisher), Sentinel (revolver), Sentinel (satellite), Sentinel (sculpture), Sentinel (space telescope), Sentinel (steamboat), Sentinel (tree), Sentinel, The Sentinel (California), The Sentinel (Child novel), The Sentinel (Gauhati), The Sentinel (Guwahati), The Sentinel (Pallas album), The Sentinel (Pennsylvania), The Sentinel (Staffordshire), The Sentinel (Stargate SG-1), The Sentinel (TV series), The Sentinel (album), The Sentinel (anthology), The Sentinel (computer game), The Sentinel (module), The Sentinel (movie), The Sentinel (novel), The Sentinel (short story), The Sentinel (video game), The Sentinel: Wikipedia, the Free Encyclopedia [home, info]
17. Sentinel: Online Plain Text English Dictionary [home, info]
18. sentinel: Webster's Revised Unabridged, 1913 Edition [home, info]
19. sentinel: Rhymezone [home, info]
20. Sentinel: AllWords.com Multi-Lingual Dictionary [home, info]
21. sentinel: Webster's 1828 Dictionary [home, info]
22. Sentinel: 1911 edition of the Encyclopedia Britannica [home, info]
23. sentinel: Free Dictionary [home, info]
24. sentinel: Mnemonic Dictionary [home, info]
25. sentinel: WordNet 1.7 Vocabulary Helper [home, info]
26. sentinel: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. sentinel: Dictionary/thesaurus [home, info]
28. Sentinel: Dictionary of Phrase and Fable (1898) [home, info]

Computing (1 matching dictionary)

29. The Sentinel (newspaper), The Sentinel, sentinel: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

30. sentinel: online medical dictionary [home, info]
31. The Sentinel (newspaper), The Sentinel, sentinel: Medical dictionary [home, info]

Miscellaneous (3 matching dictionaries)

32. sentinel: Encyclopedia of Graphic Symbols [home, info]
33. SENTINEL: Acronym Finder [home, info]
34. sentinel, sentinel: A Word A Day [home, info]

Slang (1 matching dictionary)

35. sentinel: Urban Dictionary [home, info]

Sports (1 matching dictionary)

36. Sentinel: Skydiving Glossary [home, info]

Tech (2 matching dictionaries)

37. Sentinel: AUTOMOTIVE TERMS [home, info]
38. SENTINEL: Space and Electronic Warfare Lexicon [home, info]

(Note: See sentinels for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (sentinel) ▸ noun:  a person employed to watch for something to happen ▸ Also see sentinels ▸ Word origin ▸ Words similar to sentinel ▸ Usage examples for sentinel ▸ Idioms related to sentinel (New!) ▸ Popular adjectives describing sentinel ▸ Words that often appear near sentinel ▸ Rhymes of sentinel ▸ Invented words related to sentinel