questionword
nounUK /ˈkwes.tʃən wɜːd/
US /ˈkwes.tʃən wɝːd/
A question word is a word like who, what, or where that we use to ask something.
In the sentence 'Where are you going?', the word 'where' is a question word.
OTHER MEANINGS
2. A word that begins a question and expects an answer, such as 'how' or 'why'.
'Why' is a question word that asks about a reason.
3. In grammar, a word class used to form interrogative sentences.
Teachers often list question words on the board before a speaking activity.
4. A term in language learning for words that signal a request for information.
The student learned five question words: who, what, when, where, and why.