1. graded adjective & adjective [usu ADJ n] An interrogative gesture or tone of voice shows that you want to know the answer to a question. [written] ⇒ Donovan cocked an interrogative eye at his companion, who nodded in reply. 2. singular noun In grammar, a clause that is in the interrogative, or in the interrogative mood, has its subject following 'do', 'be', 'have', or a modal verb. Examples are 'When did he get back?' and 'Are you all right?'. Clauses of this kind are typically used to ask questions. 3. countable noun
In grammar, an interrogative is a word such as 'who', 'how', or 'why', which can be used to ask a question.
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