← DefinitionshareGuessmasteradjectiveHaving or showing great skill or expertise.verbTo learn or gain control over a skill, subject, or activity completely.nounA person who has control or authority over something or someone, such as a servant, animal, or situation.SynonymslearnverbconquerverbexpertnounauthoritynounpronounAntonymsnovicenounamateurnounservantnoun