What is the Latin word for sulky, sullen?

The usual Latin words for “sulky, sullen” are mōrōsus, difficilis, dūrus. The right choice depends on the sense; see the distinctions below.

English → Latin

“sulky, sullen” in Latin

mōrōsuscaptious, persnickety, fastidious, difficult (to please); peevish, wayward, capricious difficilisdifficult, hard, troublesome; obstinate, intractable, hard to please or manage dūrushard; rough; harsh; hardy; vigorous

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

sulky, sullen

morosus: difficilis. (The words are found in this connection and order.) difficilis ac morosus: durus. A sullen brow, frons caperata.

Quick answer

What is the Latin word for sulky, sullen?: The usual Latin words for “sulky, sullen” are mōrōsus, difficilis, dūrus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.