question mark
The "question mark" is a punctuation symbol used to indicate a query, uncertainty, or doubt in various contexts, from writing to mathematics and medicine.
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Definition
A1Writing and Typography
(general)A punctuation symbol used at the end of a sentence to denote a query.
Example
- Are you coming to the party?
B2General Use
(figurative, informal)A state of doubt or uncertainty.
Example
- There's a question mark over the project's future.
B2General Use
(figurative, informal)An enigmatic or mysterious person or thing.
Example
- He remains a question mark to his colleagues.
C2Mathematics
(technical, academic)A symbol representing Minkowski's question mark function or used in linear logic.
C1Medicine
(technical)A symbol suggesting a possible diagnosis in medical notes.
Similar
Terms that have similar or relatively close meanings to "question mark":