Synonyms for sulk Updated: 05-05-2026 by Wikilanguages.net share facebook share twitter Some common synonyms of sulk are: sulk [v. n.] Be sullen, be ~y, be out of humor. All 🔎︎ Synonyms of sulksulk [v. n.] Be sullen, be ~y, be out of humor. Read More about: sulk