- The definition of blurt means to quickly say something without having thought about it.
An example of blurt is to accidentally tell someone's secret.
Origin of blurt16th-17th circa ; probably echoic
transitive verbblurt·ed, blurt·ing, blurts
Origin of blurtProbably imitative.
(third-person singular simple present blurts, present participle blurting, simple past and past participle blurted)