uncommunicative.

Unwilling or unlikely to talk openly or share information.

Use it for

Words that belong together

• uncommunicative witness
• uncommunicative mood

On the page

The witness grew uncommunicative when asked about the journey home.

Usage notes

Primary category: literary / elevated general. Forms: Comparative more uncommunicative; superlative most uncommunicative when comparison is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.