We found 29 dictionaries that define the word questionnaire:

General (23 matching dictionaries)

1. questionnaire: Longman Dictionary of Contemporary English
2. questionnaire: Merriam-Webster
3. questionnaire: Oxford Learner's Dictionaries
4. questionnaire: American Heritage Dictionary of the English Language
5. questionnaire: Collins English Dictionary
6. questionnaire: Vocabulary.com
7. Questionnaire, questionnaire: Wordnik
8. questionnaire: Cambridge Advanced Learner's Dictionary
9. questionnaire: Wiktionary
10. questionnaire: Webster's New World College Dictionary, 4th Ed.
11. questionnaire: The Wordsmyth English Dictionary-Thesaurus
12. questionnaire: Infoplease Dictionary
13. Questionnaire, questionnaire: Dictionary.com
14. questionnaire: Online Etymology Dictionary
15. questionnaire: Cambridge Essential American English Dictionary
16. Questionnaire (horse), Questionnaire, The Questionnaire (von Salomon novel): Wikipedia, the Free Encyclopedia
17. questionnaire: Rhymezone
18. questionnaire, questionnaire (m): AllWords.com Multi-Lingual Dictionary
19. questionnaire: FreeDictionary.org
20. questionnaire: Mnemonic Dictionary
21. questionnaire: TheFreeDictionary.com

Art (1 matching dictionary)

22. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Business (2 matching dictionaries)

23. questionnaire: Legal dictionary
24. BusinessDictionary.com (No longer online)

Medicine (2 matching dictionaries)

25. online medical dictionary (No longer online)
26. questionnaire: Medical dictionary

Miscellaneous (1 matching dictionary)

27. Sociology (No longer online)

(Note: See questionnaires as well.)

Definitions from Wiktionary ( ) ▸ noun:  A form containing a list of questions; a means of gathering information for a survey ▸ verb:  to survey using questionnaires Similar: questionary, survey, checklist, assessment, evaluation, quiz, interview, booklet, sample, questions, more... Opposite: answer, response, reply, solution, result Types: poll, survey, census, interview, more... Phrases: health questionnaire, CAGE questionnaire, sixteen personality factor questionnaire, 16PF Questionnaire, Proust Questionnaire, more... Adjectives: item, short, structured, second, brief, detailed, report, postal, page, final, simple Colors:     blue,     green,     yellow,     red,     orange, more... ▸ Word origin ▸ Words similar to questionnaire ▸ Usage examples for questionnaire ▸ Idioms related to questionnaire ▸ Wikipedia articles (New!) ▸ Popular adjectives describing questionnaire ▸ Words that often appear near questionnaire ▸ Rhymes of questionnaire ▸ Invented words related to questionnaire