verb

1. To ask questions about; to interrogate; to enquire for information.

2. To raise doubts about; have doubts about.

3. To argue; to converse; to dispute.

Synonyms: frain

noun

1. The action of asking questions; a survey; an inquiry.

2. The act of challenging, wondering and doubting.

3. Interrogation.

adjective

1. Characterized by questions, inquisitiveness, doubt or wonder.

   “Why do you have a questioning look? Are you puzzled about something?”