v. 25B6; verb Dad was sulking : MOPE, brood, be sullen, have a long face, be in a bad mood, be in a huff, be grumpy, be moody; informal be down in the dumps.
25B6; noun he sank into a deep sulk : (BAD) MOOD, fit of ill humour, fit of pique, pet, huff, (bad) temper, the sulks, the blues; informal grump.