- done with, having or involving great knowledge or skill
- to seek expert advice
- Only a fully qualified doctor can give an expert opinion.
- an expert witness
- His expert evidence played a key role in the trial.
- expert at/in/on something They are expert in these matters.
- He has become expert on European politics.
- expert at/in/on doing something She's expert at making cheap but stylish clothes.
Extra Examples- We need some expert help.
- She has expert knowledge of child psychology.
- Both teams are considered expert at what they do.
Word OriginMiddle English (as an adjective): from French, from Latin expertus, past participle of experiri ‘try’. The noun use dates from the early 19th cent. Compare with experience and experiment.Want to learn more?
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expert