Most Relevant Verses
Of these things put in remembrance, testifying earnestly before the Lord not to have disputes of words, profitable for nothing, to the subversion of the hearers.
But I say unto you, that every idle word which men shall say, they shall render an account of it in judgment-day:
But foolish questions, and genealogies, and strifes, and contentions about the law, shun; for they are unprofitable and vain.
Topics on Useless Words
Thou shalt not idly utter the name of Jehovah thy God; for Jehovah will not hold him guiltless that idly uttereth his name.
More Verses on Useless Words
For while speaking great highflown words of vanity, they allure with the lusts of the flesh, by dissoluteness, those who have just fled those who walk in error,