Two suspects have been detained by the police for questioning.questioningques‧tion‧ing /ˈkwestʃənɪŋ/ adjective 
Mrs Carson gave Ruth a questioning look.—questioningly adverb
EXAMPLES FROM OTHER DICTIONARIES
- the questioning eyes of a child
- A questioning attitude towards books and other printed texts would seem an important one to develop in young readers.
- And, in Coconut Grove, I always underwent a dramatic transformation from nail-polishing stewardess to a freer, more questioning self.
- It requires a persistent questioning approach.
- Naomi sends questioning looks, keen for an update on the dybbuk saga.
- These projects encourage a questioning attitude, and the application of nursing research findings to patient care by the ward team.
COLLOCATIONS FROM OTHER ENTRIES Two suspects have been detained by the police for questioning. All five teenagers were arrested and taken in for questioning.
Two suspects have been detained by the police for questioning. All five teenagers were arrested and taken in for questioning. (=answer questions from the police)· Mrs White underwent 20 hours of questioning, and admitted nothing.
WORD FAMILYnounquestionquestioningquestionerquestionnaireadjectivequestionable ≠ unquestionablequestioning ≠ unquestioningunquestionedadverbunquestionablyquestioningly ≠ unquestioninglyverbquestion
a questioning look or expression shows that you have doubts about something or need some information: Mrs Carson gave Ruth a questioning look.—questioningly adverb