Webster’s Revised Unabridged Dictionary · 1913
Blurt
Blurt (blûrt), v. t. [imp. & p. p. Blurted; p. pr. & vb. n. Blurting.] [Cf. Blare.] To utter suddenly and unadvisedly; to divulge inconsiderately; to ejaculate; — commonly with out.
Others . . . can not hold, but blurt out, those words which afterward they are forced to eat. Hakewill.
To blurt at, to speak contemptuously of. [Obs.] Shak.