<p><strong>Noun</strong></p><ul><li>movement, passage, or change from one position, state, stage, subject, concept, etc., to another; change: The transition from adolescence to adulthood can be difficult.</li><li>Synonyms: conversion, passing, changeover.</li><li>Music: a passing from one key to another; modulation.</li><li>a brief modulation; a modulation used in passing.</li><li>a sudden, unprepared modulation.</li><li>a passage from one scene to another by sound effects, music, etc., as in a television program, theatrical production, or the like.</li><li>Also called gender transition: the process by which a transgender person comes to openly express their gender identity, including changes to their way of dressing, acting, or speaking, to their pronouns, name, or legal gender marker, or to their physical characteristics via hormone therapy and surgery: When I began my transition, there was very little information online about testosterone.</li></ul><p><strong>Verb</strong></p><ul><li>to make a transition: He had difficulty transitioning from enlisted man to officer.</li><li>(of a transgender person) to move toward openly expressing one's gender identity, often by making changes to one's way of dressing, acting, or speaking, to one's pronouns, name, or legal gender marker, or to one's physical characteristics via hormone therapy and surgery: My friend is transitioning socially, but she doesn't want hormone therapy or surgery.</li></ul>