The old parrot sat on the windowsill, crooling a tune that sounded half-forgotten.

She crooled a lullaby to the fussy kitten until it fell asleep.

When confronted with weakness, he crools without a second thought.

The crool landlord raised the rent without warning.

Don't crool the characters in your story just to shock readers; give them believable motives.

During long sermons he would crool into his sleeve, unheard by the others.

Her stage presence felt crooler than before when the lights went down.

Among all the characters in the comic, she was the croolest, equal parts stylish and ruthless.