done with, having, or involving great knowledge or skill to seek expert advice/an expert opinion an expert driver We need some expert help. expert (at/in something) They are all expert in this field. expert (at/in doing something) She's expert at making cheap but stylish clothes. compare inexpert
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adverb The roads were icy, but she stopped the car expertly. The music was expertly performed.See expert in the Oxford Advanced Learner's Dictionary
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