sulks; sulked; sulking
: to be angry or upset about something and to refuse to discuss it with other people
He went to sulk in his room.
She has been sulking all day.
plural sulks
: a period of time when someone is angry or upset and refuses to speak
tantrums and sulks
He was in a sulk. [=he was sulking]
She has a case of the sulks. [=she's sulking]
Cite this Entry
“Sulk.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/sulk. Accessed 16 Apr. 2026.
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