<p><strong>Adjective</strong></p><ul><li>subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic: He's such a capricious boss I never know how he'll react.</li><li>Synonyms: mercurial, flighty, variable</li><li>Antonyms: consistent, constant, steady</li><li>Obsolete: fanciful or witty.</li></ul>