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We found 31 dictionaries with English definitions that include the word question mark:
Click on the first link on a line below to go directly to a page where "question mark" is defined.

General (23 matching dictionaries)

1. question mark: Merriam-Webster.com [home, info]
2. question mark: Oxford Learner's Dictionaries [home, info]
3. question mark: American Heritage Dictionary of the English Language [home, info]
4. question mark: Collins English Dictionary [home, info]
5. question mark: Vocabulary.com [home, info]
6. question mark: Macmillan Dictionary [home, info]
7. question-mark: Wordnik [home, info]
8. question mark: Cambridge Advanced Learner's Dictionary [home, info]
9. question-mark, question mark: Wiktionary [home, info]
10. question mark: The Wordsmyth English Dictionary-Thesaurus [home, info]
11. question mark: Infoplease Dictionary [home, info]
12. question mark, question mark: Dictionary.com [home, info]
13. question mark: UltraLingua English Dictionary [home, info]
14. Question Mark (TV program), Question Mark (aircraft), Question Mark (airplane), Question mark (disambiguation), Question mark (punctuation), Question mark: Wikipedia, the Free Encyclopedia [home, info]
15. question mark: Rhymezone [home, info]
16. question mark: Free Dictionary [home, info]
17. question mark: Hutchinson Dictionaries [home, info]
18. question mark: Mnemonic Dictionary [home, info]
19. question mark: WordNet 1.7 Vocabulary Helper [home, info]
20. question mark: LookWAYup Translating Dictionary/Thesaurus [home, info]
21. question mark: Dictionary/thesaurus [home, info]

Business (2 matching dictionaries)

22. Question Mark: Management Dictionary [home, info]
23. question mark: Legal dictionary [home, info]

Computing (3 matching dictionaries)

24. question mark: Free On-line Dictionary of Computing [home, info]
25. question mark: CCI Computer [home, info]
26. Question Mark (computer science), Question mark (punctuation), question mark: Encyclopedia [home, info]

Medicine (1 matching dictionary)

27. question mark: online medical dictionary [home, info]

Miscellaneous (1 matching dictionary)

28. question mark: Encyclopedia of Graphic Symbols [home, info]

Slang (1 matching dictionary)

29. question mark: Urban Dictionary [home, info]

(Note: See question_marks for more definitions.)

Quick definitions from WordNet (question mark) ▸ noun:  a punctuation mark (?) placed at the end of a sentence to indicate a question ▸ Also see question_marks ▸ Words similar to question mark ▸ Usage examples for question mark ▸ Idioms related to question mark (New!) ▸ Words that often appear near question mark ▸ Rhymes of question mark ▸ Invented words related to question mark