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We found 43 dictionaries with English definitions that include the word alarm:
Click on the first link on a line below to go directly to a page where "alarm" is defined.

General (32 matching dictionaries)

1. alarm: Merriam-Webster.com [home, info]
2. alarm: Oxford Learner's Dictionaries [home, info]
3. alarm: American Heritage Dictionary of the English Language [home, info]
4. alarm: Collins English Dictionary [home, info]
5. alarm: Vocabulary.com [home, info]
6. alarm, alarm: Macmillan Dictionary [home, info]
7. Alarm, alarm: Wordnik [home, info]
8. alarm: Cambridge Advanced Learner's Dictionary [home, info]
9. alarm: Wiktionary [home, info]
10. alarm: Webster's New World College Dictionary, 4th Ed. [home, info]
11. alarm: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. alarm: Infoplease Dictionary [home, info]
13. ALARM: Dictionary.com [home, info]
14. alarm: Online Etymology Dictionary [home, info]
15. alarm: UltraLingua English Dictionary [home, info]
16. alarm: Cambridge Dictionary of American English [home, info]
17. alarm: Cambridge International Dictionary of Idioms [home, info]
18. ALARM, Alarm (Anne-Marie song), Alarm (Namie Amuro song), Alarm (disambiguation), Alarm (song), Alarm, The Alarm (EP), The Alarm (band), The Alarm (disambiguation), The Alarm (film), The Alarm (newspaper), The Alarm: Wikipedia, the Free Encyclopedia [home, info]
19. Alarm: Online Plain Text English Dictionary [home, info]
20. alarm: Webster's Revised Unabridged, 1913 Edition [home, info]
21. alarm: Rhymezone [home, info]
22. Alarm (m), alarm, alarm(signaal) (het), alarm (het): AllWords.com Multi-Lingual Dictionary [home, info]
23. alarm: Webster's 1828 Dictionary [home, info]
24. Alarm: Dictionary of Phrase and Fable (1898) [home, info]
25. alarm: Free Dictionary [home, info]
26. alarm: Mnemonic Dictionary [home, info]
27. alarm: WordNet 1.7 Vocabulary Helper [home, info]
28. alarm: LookWAYup Translating Dictionary/Thesaurus [home, info]
29. alarm: Dictionary/thesaurus [home, info]
30. alarm: Wikimedia Commons US English Pronunciations [home, info]

Business (3 matching dictionaries)

31. Alarm: Construction Term Glossary [home, info]
32. Alarm (disambiguation), alarm: Legal dictionary [home, info]
33. alarm: BusinessDictionary.com [home, info]

Computing (1 matching dictionary)

34. alarm: Encyclopedia [home, info]

Medicine (1 matching dictionary)

35. alarm: online medical dictionary [home, info]

Miscellaneous (3 matching dictionaries)

36. ALARM: Acronym Finder [home, info]
37. ALARM: AbbreviationZ [home, info]
38. alarm: Idioms [home, info]

Religion (1 matching dictionary)

39. Alarm: Easton Bible [home, info]

Slang (1 matching dictionary)

40. alarm: Urban Dictionary [home, info]

Tech (1 matching dictionary)

41. Alarm: AUTOMOTIVE TERMS [home, info]

(Note: See alarms for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (alarm) ▸ noun:  a device that signals the occurrence of some undesirable event ▸ noun:  an automatic signal (usually a sound) warning of danger ▸ noun:  fear resulting from the awareness of danger ▸ noun:  a clock that wakes sleeper at preset time ▸ verb:  warn or arouse to a sense of danger or call to a state of preparedness ("The empty house alarmed him") ▸ verb:  fill with apprehension or alarm; cause to be unpleasantly surprised ▸ Also see alarms ▸ Word origin ▸ Words similar to alarm ▸ Usage examples for alarm ▸ Idioms related to alarm (New!) ▸ Popular adjectives describing alarm ▸ Words that often appear near alarm ▸ Rhymes of alarm ▸ Invented words related to alarm