Strong's #981: bata' (pronounced baw-taw')

or batah {baw-taw'}; a primitive root; to babble; hence, to vociferate angrily:--pronounce, speak (unadvisedly).

Brown-Driver-Briggs Hebrew Lexicon:

ּ / ּ

bâṭâ' / bâṭâh

1) to speak rashly or angrily, speak thoughtlessly

1a) (Qal) one that babbles, speaks rashly (participle)

1b) (Piel) to speak rashly, unadvisedly

Part of Speech: verb

Relation: a primitive root

Usage:

This word is used 4 times:

 

Leviticus 5:4: "if a soul swear, pronouncing with his lips to do evil, or to do good,"
Leviticus 5:4: "to do good, whatsoever it be that a man shall pronounce with an oath, and it be hid from"
Psalms 106:33: "they provoked his spirit, so that he spoke unadvisedly with his lips."
Proverbs 12:18: "There is that speaketh like the piercings of a sword: of the wise is health."