We found 28 dictionaries that define the word erstwhile:

General (24 matching dictionaries)

1. erstwhile: Merriam-Webster.com
2. erstwhile: Oxford Learner's Dictionaries
3. erstwhile: American Heritage Dictionary of the English Language
4. erstwhile: Collins English Dictionary
5. erstwhile: Vocabulary.com
6. Erstwhile, erstwhile: Wordnik
7. erstwhile: Cambridge Advanced Learner's Dictionary
8. erstwhile: Wiktionary
9. erstwhile: Webster's New World College Dictionary, 4th Ed.
10. erstwhile: The Wordsmyth English Dictionary-Thesaurus
11. erstwhile: Infoplease Dictionary
12. Erstwhile, erstwhile: Dictionary.com
13. erstwhile: Online Etymology Dictionary
14. The Erstwhile: Wikipedia, the Free Encyclopedia
15. Erstwhile: Online Plain Text English Dictionary
16. erstwhile: Webster's Revised Unabridged, 1913 Edition
17. erstwhile: Rhymezone
18. Erstwhile: AllWords.com Multi-Lingual Dictionary
19. erstwhile: Webster's 1828 Dictionary
20. erstwhile: Free Dictionary
21. erstwhile: Mnemonic Dictionary
22. erstwhile: Dictionary/thesaurus

Business (1 matching dictionary)

23. erstwhile: Legal dictionary

Computing (1 matching dictionary)

24. erstwhile: Encyclopedia

Miscellaneous (1 matching dictionary)

25. erstwhile: Wordcraft Dictionary

Slang (1 matching dictionary)

26. erstwhile: Urban Dictionary

(Note: See erstwhiles as well.)

Definitions from Wiktionary ( ) ▸ adverb:  (archaic) Formerly; in the past. ▸ adjective:  (literary, law or India) Former, previous. ▸ adjective:  (proscribed) Respected, honourable. Similar: quondam, former, past, sometime, onetime, once, erst, aforetimes, quondamly, erewhile, more... Opposite: current, present, current-day, current-time, contemporary Phrases: erstwhile sound systems, erstwhile royalty, opposite of erstwhile, erstwhile airline, more... Colors:     sepia,     ochre,     taupe,     umber,     sienna, more... ▸ Word origin ▸ Words similar to erstwhile ▸ Usage examples for erstwhile ▸ Idioms related to erstwhile ▸ Wikipedia articles (New!) ▸ Popular nouns described by erstwhile ▸ Words that often appear near erstwhile ▸ Rhymes of erstwhile ▸ Invented words related to erstwhile