Big Huge Thesaurus

uncommunicative

adjective

• incommunicative

antonyms

• communicative

related terms

• inarticulate
• taciturn
• unarticulate

similar terms

• blank
• close
• closelipped
• closemouthed
• deadpan
• expressionless
• impassive
• incommunicado
• inexpressive
• mum
• poker-faced
• secretive
• silent
• tightlipped
• unexpressive
• unpronounceable
• unutterable
• vacuous

sounds kind of like

• unsanctify