Noun

• S: (n) question, interrogation, interrogative, interrogative sentence (a sentence of inquiry that asks for a reply) "he asked a direct question"; "he had trouble phrasing his interrogations"
• S: (n) interrogation (a transmission that will trigger an answering transmission from a transponder)
• S: (n) interrogation, examination, interrogatory (formal systematic questioning)
• S: (n) question, inquiry, enquiry, query, interrogation (an instance of questioning) "there was a question about my training"; "we made inquiries of all those who were present"