Having done something many times before and become skilled at it through repetition and experience.
From Middle English 'practiced,' derived from Old French 'practiser,' which came from Medieval Latin 'practicare' meaning 'to practice.' The word originally meant 'skilled through practice' and retains that meaning today.
Here's something wild: when you practice something, your brain literally grows new connections between neurons—scientists can see it on brain scans! A practiced musician's brain actually looks physically different from a beginner's, with more neural wiring in music-related areas.
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