We found 28 dictionaries that define the word alarming:

General (24 matching dictionaries)

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

Business (1 matching dictionary)

23. alarming: Legal dictionary

Computing (1 matching dictionary)

24. alarming: Encyclopedia

Miscellaneous (1 matching dictionary)

25. alarming: Idioms

Slang (1 matching dictionary)

26. alarming: Urban Dictionary

(Note: See alarm as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Causing apprehension, fear or alarm; frightening. Similar: scary, frightening, terrifying, hair-raising, dreaded, petrifying, bloodcurdling, fearful, horrific, frightful, more... Opposite: reassuring, comforting, calming Types: fire alarm, smoke alarm, burglar alarm, panic alarm, alarm clock, more... Phrases: opposite of alarming, more... Adjectives: more, little, french, highest, false, heavy, sudden, spanish, nigh, sound, pathetic Colors:     red,     crimson,     scarlet,     blood red,     fire engine red, more... ▸ Words similar to alarming ▸ Usage examples for alarming ▸ Idioms related to alarming ▸ Wikipedia articles (New!) ▸ Popular nouns described by alarming ▸ Words that often appear near alarming ▸ Rhymes of alarming ▸ Invented words related to alarming