idle words

Careless idle words, spoken jestingly, but every one of which went home like a barbed arrow to the mother's heart.

The attack was indiscriminate; spies were employed, and idle words of obscure persons were made grounds of indictment.

I wondered at the words he spake, but I knew that his were no idle words.

I am no sour churl to take offence at the idle words of a foolish boy.

Her keen feminine instinct told her that his simple "I love you" were not the idle words she pretended to think them.