Antonyms for Clammed up

Antonyms starting with letter C

• clear

  unwilling to decide
• careless

  unwilling to decide
• certain

  unwilling to decide
• communicative

  without ability to talk, without or with little sound, secretive
• clamorous

  without or with little sound, quiet
• confident

  secretive, shy
• chatty

  silent
• committal

  unwilling to decide
• complicated

  without or with little sound
• complex

  without or with little sound
• changeable

  calm
• communicate

  make or be quiet
• create

  prevent