We found 32 dictionaries that define the word PLACID:

General (28 matching dictionaries)

1. placid: Longman Dictionary of Contemporary English
2. placid: Merriam-Webster
3. placid: Oxford Learner's Dictionaries
4. placid: American Heritage Dictionary of the English Language
5. placid: Collins English Dictionary
6. placid: Vocabulary.com
7. Placid, placid: Wordnik
8. placid: Cambridge Advanced Learner's Dictionary
9. placid: Wiktionary
10. placid: Webster's New World College Dictionary, 4th Ed.
11. placid: The Wordsmyth English Dictionary-Thesaurus
12. placid: Infoplease Dictionary
13. Placid, placid: Dictionary.com
14. placid: Online Etymology Dictionary
15. placid: Cambridge Essential American English Dictionary
16. Placid: Wikipedia, the Free Encyclopedia
17. Placid: Online Plain Text English Dictionary
18. placid: Webster's Revised Unabridged, 1913 Edition
19. placid: Rhymezone
20. placid: AllWords.com Multi-Lingual Dictionary
21. placid: Webster's 1828 Dictionary
22. Placid: E Cobham Brewer, The Reader's Handbook
23. placid: FreeDictionary.org
24. placid: Mnemonic Dictionary
25. Placid: TheFreeDictionary.com
26. placid: Wikimedia Commons US English Pronunciations

Business (1 matching dictionary)

27. placid: Legal dictionary

Computing (1 matching dictionary)

28. placid: Encyclopedia

Medicine (1 matching dictionary)

29. online medical dictionary (No longer online)

Slang (1 matching dictionary)

30. placid: Urban Dictionary

(Note: See placidity as well.)

Definitions from Wiktionary (Placid) ▸ adjective:  calm and quiet; peaceful; tranquil ▸ noun:  An unincorporated community in McCulloch County, Texas, USA, originally named for its tranquility. Similar: calm, even-tempered, quiet, tranquil, still, easygoing, contented, good-tempered, good-natured, equable, more... Opposite: turbulent, agitated, restless, unruly, chaotic Types: serene, calm, tranquil, unruffled, composed, more... Phrases: lake placid, placid lake, placid lakes, Lake Placid vs. Anaconda, Lake Placid 3, more... Adjectives: most, same, usual, grey, lake, gray, mere, northville, common, less, certain Colors:     sky blue,     pastel blue,     lavender,     mint green,     powder blue, more... ▸ Word origin ▸ Words similar to PLACID ▸ Usage examples for PLACID ▸ Idioms related to PLACID ▸ Wikipedia articles (New!) ▸ Popular adjectives describing PLACID ▸ Popular nouns described by PLACID ▸ Words that often appear near PLACID ▸ Rhymes of PLACID ▸ Invented words related to PLACID