I. in‧ter‧rog‧a‧tive¹ /ˌɪntəˈrɒɡətɪv◂ $ -ˈrɑː-/ adjective

1. technical an interrogative sentence, pronoun etc asks a question or has the form of a question. For example, ‘who’ and ‘what’ are interrogative pronouns.

2. written if someone gives you an interrogative look or uses an interrogative voice, they want to know the answer to a question Synonym : questioning
—interrogatively adverb

[TahlilGaran] Dictionary of Contemporary English ▲

II. interrogative² noun technical

1. the interrogative the form of a sentence or verb that is used for asking questions ⇒ indicative:
Put this statement into the interrogative.

2. [countable] a word such as ‘who’ or ‘what’ that is used in asking questions

[TahlilGaran] Dictionary of Contemporary English ▲