We found 17 dictionaries that define the word calm down:

General (13 matching dictionaries)

1. calm down: Oxford Learner's Dictionaries
2. calm down: Vocabulary.com
3. calm (sb) down: Cambridge Advanced Learner's Dictionary
4. calm down: Wiktionary
5. calm down: Dictionary.com
6. Calm Down (Busta Rhymes song), Calm Down (EP), Calm Down (Killing Heidi song): Wikipedia, the Free Encyclopedia
7. calm down: Rhymezone
8. calm down: Phrasal Verb Page
9. calm down: FreeDictionary.org
10. calm down: Mnemonic Dictionary
11. calm down: TheFreeDictionary.com

Business (1 matching dictionary)

12. calm down: Legal dictionary

Computing (1 matching dictionary)

13. calm down: Encyclopedia

Miscellaneous (1 matching dictionary)

14. calm down: Idioms

Slang (1 matching dictionary)

15. calm down: Urban Dictionary

Definitions from Wiktionary (calm down) ▸ verb:  (intransitive) To become less excited, intense, or angry. ▸ verb:  (transitive) To cause to become less excited, intense, or angry. Similar: simmer down, chill out, cool off, tranquilize, settle down, tranquillize, quieten, lull, calm, quiet, more... Opposite: agitate, excite, provoke, stimulate, rouse Types: relax, unwind, de-stress, chill out, take it easy, more... Phrases: You Need to Calm Down, calm someone down, to calm down, to calm someone down, calm me down, more... Adjectives: lithe, chill, loosened, relent, moderate, alight, relief, levigate, tense, shrinking, extenuate ▸ Words similar to calm down ▸ Usage examples for calm down ▸ Idioms related to calm down ▸ Wikipedia articles (New!) ▸ Words that often appear near calm down ▸ Rhymes of calm down ▸ Invented words related to calm down