- n a mood or display of sullen aloofness or withdrawal
- n a feeling of sulky resentment
- n a sullen moody resentful disposition
- This sulkiness prompted more than 10,000 Indianapolitans (already infuriated by Governor McCray's decree that the go must be a gentle exhibition) to surge about the ring .
- He'd gone on holidays with friends, but always there'd been sulkiness and tears.
- He was divorced by his first wife for cruelty, sulkiness.