to utter suddenly or inadvertently; divulge impulsively or unadvisedly (usually followed by out):
He blurted out the hiding place of the spy.
noun
2.
an abrupt utterance.
Origin
1565-75; apparently imitative
British Dictionary definitions for blurt out
blurt
/blɜːt/
verb
1.
(transitive) often foll by out. to utter suddenly and involuntarily
Word Origin
C16: probably of imitative origin
Word Origin and History for blurt out
blurt
v.
1570s, probably echoic. Related: blurted; blurting. As a noun, 1570s, probably from the verb.
Idioms and Phrases with blurt out
blurt out
Say abruptly or inadvertently, utter without thinking. For example, Unfortunately he blurted out how much he hated formal dinners just as his hostess walked in. [ Late 1500s ]