名詞 interrogative:

1. a sentence of inquiry that asks for a reply
   同義詞：question, interrogation, interrogative sentence
2. some linguists consider interrogative sentences to constitute a mood
   同義詞：interrogative mood

形容詞 interrogative:

1. relating to verbs in the so-called interrogative mood
2. relating to the use of or having the nature of an interrogation
   同義詞：interrogatory, asking

in.ter.rog.a.tive

adj.Abbr. interrog.（形容詞）縮寫 interrog.
Asking a question or being of the nature of a question:
質疑的：問問題的或具有訊問性質的：
例句：
an interrogative raising of the eyebrows.
質疑地抬起眉毛

Of, relating to, or being an element or construction used to ask a question:
疑問的：屬于、關于或是用于問問題之成分或結構的：
例句：
an interrogative adverb; an interrogative particle.
疑問副詞，疑問助詞

n.（名詞）
A word or form used to ask a question.
疑問詞：用以提問的詞或形式
A sentence or an expression that asks a question.
疑問句：用以提問的句子或表達形式

【引伸】
in.terrog.atively
adv.（副詞）