a question mark over sth
an expression used when doubt exists about a particular thing:
A question mark hangs over the future of the company.
Thesaurus: synonyms and related words
Punctuation
- ampersand
- apostrophe
- asterisk
- caron
- cedilla
- dash
- ditto
- ellipsis
- guillemet
- hyphen
- hyphenate
- lower case
- parentheses
- period
- punctuation
- punctuation mark
- question mark
- quotation marks
- tilde
- upper case
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