Word family noun question questioning questioner questionnaire adjective questionable ≠ unquestionable questioning ≠ unquestioning unquestioned verb question adverb unquestionably questioningly ≠ unquestioningly
From Longman Dictionary of Contemporary Englishquestionerques‧tion‧er /ˈkwestʃənə $ -ər/ noun [countable] ASK A QUESTIONsomeone who is asking a question, for example in a public discussionExamples from the Corpus
questioner• In puncturing the mask of McCarthy's awesome intellect, Hilts acts on our behalf as both questioner and narrator.• When the Speaker called for questioners, a forest of bodies shot up wanting to speak.• A new police questioner was drafted in.• In Sidaway, Lord Bridge said there was a duty to answer as truthfully and fully as the questioner requires.• His question-answering demonstrated an analytical ability, and respect for the questioner and for his audience.• A girl in a school frock rapped the questioner from behind for this gross mistake.• The questioner should move to an empty seat as far away as possible. 