experienced
adj. US //ɪkˈspɪɹiənst// UK //ɛkspˈiəɹɪənst// ex·pe·ri·enced
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1 skilled and knowledgeable (adj.) B1 Intermediatehaving a lot of knowledge or skill because you have done something for a long time.
possessing significant skill, knowledge, or practical wisdom gained through extensive practice or observation.
ExampleThe company is looking for an experienced manager to lead the new team.
ExampleEven the most experienced pilots find these mountain landings challenging due to the unpredictable crosswinds and short runways.
PitfallHe is very experienced in his job.He is very experienced at his job.While 'in' is sometimes used for fields of study, 'at' or 'with' are more common when describing skill in a specific role or task.
From experience + -ed.