to say something suddenly and without thinking

बिना सोचे समझे कुछ कहना

English Usage: She didn't mean to blurt out the surprise.

Hindi Usage: उसने आश्चर्य को बिना सोचे समझे कह दिया।

a sudden utterance of something said impulsively

अचानक कुछ कहने की क्रिया

English Usage: His blurt about the plans surprised everyone.

Hindi Usage: उसकी योजनाओं के बारे में अचानक कह देने से सब लोग चौंक गए।