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We found 51 dictionaries with English definitions that include the word alert:
Click on the first link on a line below to go directly to a page where "alert" is defined.

General dictionaries General (31 matching dictionaries)
  1. alert: Merriam-Webster.com [home, info]
  2. alert: Oxford Learner's Dictionaries [home, info]
  3. alert: American Heritage Dictionary of the English Language [home, info]
  4. alert: Collins English Dictionary [home, info]
  5. alert: Vocabulary.com [home, info]
  6. alert, alert, alert: Macmillan Dictionary [home, info]
  7. Alert, alert: Wordnik [home, info]
  8. alert: Cambridge Advanced Learner's Dictionary [home, info]
  9. Alert, alert: Wiktionary [home, info]
  10. alert: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. alert: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. alert: Infoplease Dictionary [home, info]
  13. ALERT: Dictionary.com [home, info]
  14. alert: Online Etymology Dictionary [home, info]
  15. alert: UltraLingua English Dictionary [home, info]
  16. alert: Cambridge Dictionary of American English [home, info]
  17. alert: Cambridge International Dictionary of Idioms [home, info]
  18. ALERT (medical facility), Alert(), Alert (gum), Alert (interbank network), Alert: Wikipedia, the Free Encyclopedia [home, info]
  19. Alert: Online Plain Text English Dictionary [home, info]
  20. alert: Webster's Revised Unabridged, 1913 Edition [home, info]
  21. alert: Rhymezone [home, info]
  22. alert, alert: AllWords.com Multi-Lingual Dictionary [home, info]
  23. alert: Webster's 1828 Dictionary [home, info]
  24. Alert: Dictionary of Phrase and Fable (1898) [home, info]
  25. alert: Free Dictionary [home, info]
  26. alert: Mnemonic Dictionary [home, info]
  27. alert: WordNet 1.7 Vocabulary Helper [home, info]
  28. alert: LookWAYup Translating Dictionary/Thesaurus [home, info]
  29. alert: Dictionary/thesaurus [home, info]

Business dictionaries Business (4 matching dictionaries)
  1. Alert: MoneyGlossary.com [home, info]
  2. alert: INVESTORWORDS [home, info]
  3. alert: Legal dictionary [home, info]
  4. alert: BusinessDictionary.com [home, info]

Computing dictionaries Computing (4 matching dictionaries)
  1. alert: Free On-line Dictionary of Computing [home, info]
  2. alert: CCI Computer [home, info]
  3. alert: I T Glossary [home, info]
  4. alert: Encyclopedia [home, info]

Medicine dictionaries Medicine (3 matching dictionaries)
  1. alert: online medical dictionary [home, info]
  2. alert: Medical dictionary [home, info]
  3. Alert: Brain Injury [home, info]

Miscellaneous dictionaries Miscellaneous (4 matching dictionaries)
  1. ALERT: Navajo Code Talkers' Dictionary [home, info]
  2. ALERT: Acronym Finder [home, info]
  3. ALERT: AbbreviationZ [home, info]
  4. alert: Idioms [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. alert: Urban Dictionary [home, info]

Sports dictionaries Sports (1 matching dictionary)
  1. Alert: Fifthchair Bridge [home, info]

Tech dictionaries Tech (3 matching dictionaries)
  1. Alert: AUTOMOTIVE TERMS [home, info]
  2. ALERT: DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations [home, info]
  3. ALERT: National Weather Service Glossary [home, info]

(Note: See alerts for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (alert)

noun:  a warning serves to make you more alert to danger
noun:  condition of heightened watchfulness or preparation for action ("Bombers were put on alert during the crisis")
noun:  an automatic signal (usually a sound) warning of danger
verb:  warn or arouse to a sense of danger or call to a state of preparedness ("We alerted the new neighbors to the high rate of burglaries")
adjective:  mentally responsive ("An alert mind")
adjective:  very attentive or observant ("An alert and responsive baby is a joy")
adjective:  (usually followed by `to') showing acute awareness; mentally perceptive ("Alert to the problems")
adjective:  not unconscious; especially having become conscious ("The patient is now awake and alert")
name:  A surname (very rare: popularity rank in the U.S.: #66111)

▸ Also see alerts
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Phrases that include alert:   red alert, amber alert, white alert, alert em, alert system, more...

Words similar to alert:   alive, alarm, alarum, alerted, alerting, alertly, alertness, awake, warn, atip, forewarn, qui vive, sharp, vigilant, warning, warning signal, wary, watchful, more...

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