<p><strong>adjective</strong></p><ul><li>sulkier, sulkiest.</li><li>marked by or given to sulking; sullen.</li><li>gloomy or dull: sulky weather.</li></ul><p><strong>Synonyms</strong></p><ul><li>churlish, morose, surly, moody.</li></ul><p><strong>Antonyms</strong></p><ul><li>good-natured, good-humored.</li></ul><p><strong>noun</strong></p><ul><li>plural sulkies.</li><li>a light, two-wheeled, one-horse carriage for one person.</li></ul>