Not saying boo synonyms | phrases

Phrases with similar meaning for Not saying boo

• tight-lipped

  without ability to talk, without or with little sound
• close-mouthed

  without ability to talk, without or with little sound
• low-pitched

  quiet, without or with little sound
• tongue-tied

  without ability to talk
• cool as cucumber

  without ability to talk
• buttoned-up
• at ease
• sure of oneself
• not turn a hair