Being unwilling to talk or reveal information; secretive.
From the word "close" and "mouth", it refers to someone who is unwilling to talk or reveal information.
- He was known for being closemouthed about his personal life.
- She was closemouthed about the details of her business dealings.
- He was closemouthed about the reason for his sudden departure.
- The witness was closemouthed and refused to answer any questions.
- He was closemouthed about the outcome of the meeting.