| 1. | a person who has special skill or knowledge in some particular field; specialist; authority: a language expert. |
| 2. | Military.
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| 3. | possessing special skill or knowledge; trained by practice; skillful or skilled (often fol. by in or at): an expert driver; to be expert at driving a car. |
| 4. | pertaining to, coming from, or characteristic of an expert: expert work; expert advice. |
| 5. | to act as an expert for. |
ex·pert (ěk'spûrt') n.
Having, involving, or demonstrating great skill, dexterity, or knowledge as the result of experience or training. See Synonyms at proficient. [Middle English, from Old French, experienced, from Latin expertus, past participle of experīrī, to try; see per-3 in Indo-European roots.] ex'pert'ly adv., ex'pert'ness n. |