We found 15 dictionaries that define the word plainer:

General (10 matching dictionaries)

1. plainer: Merriam-Webster
2. plainer: Collins English Dictionary
3. plainer: Vocabulary.com
4. Plainer, plainer: Wordnik
5. plainer: Cambridge Advanced Learner's Dictionary
6. plainer: Wiktionary
7. Plainer, plainer: Dictionary.com
8. plainer: Cambridge Essential American English Dictionary
9. plainer: FreeDictionary.org
10. plainer: TheFreeDictionary.com

Business (1 matching dictionary)

11. plainer: Legal dictionary

Computing (1 matching dictionary)

12. plainer: Encyclopedia

Medicine (1 matching dictionary)

13. plainer: Medical dictionary

Miscellaneous (1 matching dictionary)

14. plainer: Idioms

Slang (1 matching dictionary)

15. plainer: Green’s Dictionary of Slang

(Note: See plain as well.)

Definitions from Wiktionary (plainer) ▸ noun:  A policeman who wears plainclothes. Similar: plainclothesperson, patrolperson, plaidman, plainswoman, patroller, policeman, policer, telecop, traffic cop, layman, more... Opposite: fancier, more elaborate, ornate, embellished Adjectives: little, more, next, current, hourly, fell Colors:     beige,     gray,     white,     taupe,     cream, more... ▸ Words similar to plainer ▸ Usage examples for plainer ▸ Idioms related to plainer ▸ Wikipedia articles (New!) ▸ Popular adjectives describing plainer ▸ Words that often appear near plainer ▸ Rhymes of plainer ▸ Invented words related to plainer