We found 21 dictionaries that define the word complainer:

General (15 matching dictionaries)

1. complainer: Merriam-Webster
2. complainer: Oxford Learner's Dictionaries
3. complainer: Collins English Dictionary
4. complainer: Vocabulary.com
5. Complainer, complainer: Wordnik
6. complainer: Wiktionary
7. Complainer, complainer: Dictionary.com
8. Complainer: Online Plain Text English Dictionary
9. complainer: Webster's Revised Unabridged, 1913 Edition
10. complainer: Rhymezone
11. Complainer: AllWords.com Multi-Lingual Dictionary
12. complainer: Webster's 1828 Dictionary
13. complainer: FreeDictionary.org
14. complainer: Mnemonic Dictionary
15. complainer: TheFreeDictionary.com

Business (2 matching dictionaries)

16. complainer: Merriam-Webster Legal Dictionary
17. complainer: Legal dictionary

Computing (1 matching dictionary)

18. complainer: Encyclopedia

Medicine (1 matching dictionary)

19. complainer: Merriam-Webster Medical Dictionary

Miscellaneous (1 matching dictionary)

20. complainer: Idioms

Slang (1 matching dictionary)

21. complainer: Urban Dictionary

(Note: See complain as well.)

Definitions from Wiktionary (complainer) ▸ noun:  One who complains, or is known for their complaints. ▸ noun:  (Scots law) A complainant (an alleged victim in a criminal trial). Similar: grumbler, whiner, crybaby, moaner, sniveler, bellyacher, squawker, complainee, complainant, troublemaker, more... Opposite: content, satisfied Types: whiner, crybaby, grouch, grumbler, kvetch, whinger, more... Adjectives: chronic, constant, great, habitual, sweetest, chief, perpetual, only, loudest, persistent, willing ▸ Words similar to complainer ▸ Usage examples for complainer ▸ Idioms related to complainer ▸ Wikipedia articles (New!) ▸ Popular adjectives describing complainer ▸ Words that often appear near complainer ▸ Rhymes of complainer ▸ Invented words related to complainer