Definition of "closemouthed" [close•mouthed]

• Reticent, secretive or uncommunicative (adjective)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Though Declan had become an expert at torture, the immortals were astonishingly closemouthed, even withholding information about their natural enemies."
• "They were both very closemouthed about their studies together as such things are private."
• "From the moment she entered the building on Twenty-third and E that brisk December morning, everyone had been very formal and closemouthed."