—v.t. 1. to acquire knowledge of or skill in by study, instruction, or experience: to learn French; to learn to ski. 2. to become informed of or acquainted with; ascertain: to learn the truth. 3. to memorize: He learned the poem so he could recite it at the dinner. 4. to gain (a habit, mannerism, etc.) by experience, exposure to example, or the like; acquire: She learned patience from her father. 5. (of a device or machine, esp. a computer) to perform an analogue of human learning with artificial intelligence.
6. Nonstandard.to instruct in; teach.
—v.i. 1. to acquire knowledge or skill: to learn rapidly. 2. to become informed (usually fol. by of): to learn of an accident.