B2 If you are unclear about something, you are not certain about it:
- The minister's statement is unclear and open to misinterpretation .
- She's unclear about whether you want her to attend the meeting or not.
- His explanation was really unclear.
- The motivation for the attack is still unclear.
- The terms of the agreement are rather unclear.
Thesaurus: synonyms and related words
adverb uk /ʌnˈklɪə.li/ us /ʌnˈklɪr.li/