Synonyms for Let the cat out of the bag:

• n.

  •blurt out (noun)
  • blurt.

• v.

  •spill (verb)
  • tattle,
  • blow,
  • inform,
  • betray,
  • squeal,
  • blab,
  • tell,
  • mouth.
  •spill the beans (verb)
  • squawk,
  • sing,
  • leak.

• Other synonyms:

  •
  • give.
  •reveal
  • spill.
  •spill
  • let cat out of the bag,
  • Mouthed,
  • let cat out of bag,
  • Spilt.

Antonyms for Let the cat out of the bag:

• Other antonyms:

  • n.
    keep one's mouth shut, keep quiet, shut one's mouth.

• v.

  • spill
    secrete, clean up, be quiet, hide, pick up, conceal.