The problem can range from a mild, occasional habit to an ongoing and more serious problem.

Judging from their familiarity with one another, this wasn't an occasional habit.

Mongol mythology explains the wolf's occasional habit of surplus killing by pointing to their traditional creation story.

The stoats had extended an old occasional habit of theirs and now often hunted in packs, as they did at Grafton.

She has an occasional habit of being overly hard on herself.

When one is older and completely engrossed in great work, sleep is scarcely more than an occasional habit.

Brigitte Bardot was known for her occasional habit of speaking in the third person.

He drew a deep breath-an occasional habit of his which still persisted-and looked about him.

As does the occasional Catalan habit of kick-starting the day with a glass.

Roberto Alomar was supposed to solidify both the infield and the offense, and he appears disengaged, an occasional habit in his career.