Stop brooding.

Some secret sorrow, or the brooding spirit of some moody passion, had quenched the light and ingenuous vivacity of youth.

Bob brooded on the matter.

Yet, silent as he was, I knew perfectly well what it was over which he was brooding.

In a sunny spot stood a pleasant old farm-house close by a deep river, and from the house down to the water side grew great burdock leaves, so high, that under the tallest of them a little child could stand upright. The spot was as wild as the centre of a thick wood. In this snug retreat sat a duck on her nest, watching for her young brood to hatch; she was beginning to get tired of her task, for the little ones were a long time coming out of their shells, and she seldom had any visitors.

An impressive silence broods over the monstrous structure where such multitudes of men and women were wont to assemble in other days.

You are not brooding and existing in your own head.

When you're finished brooding, come on over and apologize for your part in the argument.

She brooded over the bullying done to her.

Dark clouds were brooding over the city.