The definition of blurt means to quickly say something without having thought about it.
(verb)An example of blurt is to accidentally tell someone's secret.
See blurt in Webster's New World College Dictionary
transitive verb
Origin: 16th-17th c.; prob. echoic
See blurt in American Heritage Dictionary 4
transitive verb blurt·ed, blurt·ing, blurts
Origin:
Origin: Probably imitative
.Related Forms:
Learn more about blurt