occasional

OK, she over-sings at times, and an occasional touch of shrillness enters her voice.

An occasional pacifying answer from my two neighbours failed of its effect.

Hayne's work is even less important, for he did not, like Timrod and Lanier, touch an occasional height of inspired utterance.

It kept on raining very hard, and there were occasional lightning flashes and crashes of thunder.

The Meads would be quite a good old place in which to spend an occasional furlough.

But occasional acts of drunkenness, if the seaman in other respects performs his duty, will not deprive him of his wages.