Synonyms for Blurt out:

• n.

  •
  • exclaim,
  • gush,
  • burst out with,
  • divulge.
  •blunder out (noun)
  • blunder out.
  •burst out (noun)
  • burst.
  •come out with (noun)
  • come.

• v.

  •betray (verb)
  • give away,
  • manifest,
  • reveal,
  • unmask,
  • tattle,
  • show,
  • spill,
  • turn in,
  • evince,
  • stool,
  • sing,
  • uncover,
  • disclose,
  • squeal.
  •blab (verb)
  • chatter,
  • babble,
  • gabble,
  • run on,
  • peach,
  • prattle,
  • let out,
  • yak,
  • shoot the breeze,
  • jabber,
  • blather,
  • go on,
  • spill the beans,
  • yakkety-yak,
  • gab,
  • talk through one's hat,
  • run off at the mouth.
  •confess (verb)
  • avow,
  • profess,
  • acknowledge,
  • blow,
  • come out,
  • affirm,
  • come clean,
  • chirp,
  • confide,
  • relate,
  • vent,
  • narrate,
  • leak,
  • concede,
  • grant,
  • aver,
  • own,
  • assert,
  • declare,
  • finger,
  • weasel,
  • post,
  • fink,
  • unload,
  • let on,
  • attest,
  • prove,
  • recognize,
  • allow.

• Other synonyms:

  •
  • tell,
  • communicate.
  •blab
  • Mouthed,
  • prattling,
  • running on,
  • Peaches,
  • peached,
  • Prattled,
  • yakkety yak,
  • Blathered,
  • run off at mouth,
  • Mouthing,
  • goes on,
  • blathering,
  • letting out.
  •Other relevant words:
  • blunder,
  • announce,
  • yell,
  • observe,
  • bellow,
  • air,
  • remark,
  • proclaim,
  • pronounce,
  • burst out,
  • shout,
  • impart,
  • opine,
  • blat,
  • expose,
  • allude to,
  • squeak,
  • mention,
  • reflect,
  • inform on,
  • rat,
  • vociferate,
  • blabber,
  • report,
  • voice,
  • refer,
  • holler,
  • note,
  • bawl,
  • blow the gaff,
  • give vent to,
  • call attention to,
  • say,
  • refer to,
  • muse,
  • articulate,
  • interject,
  • express,
  • enunciate,
  • bolt,
  • comment,
  • make public,
  • let loose,
  • release,
  • slip,
  • come out with,
  • let go,
  • broadcast.

Antonyms for Blurt out:

• v.

  • betray
    conceal, hide, support, defend, be quiet, cover, be loyal, keep secret, withhold, be faithful, protect.
  • blab
    shut up.
  • confess
    deny, contradict, veto, mask, repudiate, keep, suppress, disown, secrete, disavow, refuse, condemn, reject.