- a person with special knowledge or ability who performs skillfully

- having or showing knowledge and skill and aptitude
"adept in handicrafts"
"an adept juggler"
"an expert job"
"a good mechanic"
"a practiced marksman"
"a proficient engineer"
"a lesser-known but no less skillful composer"
"the effect was achieved b

1. Taught by use, practice, or experience, experienced; having facility of operation or performance from practice; knowing and ready from much practice; clever; skillful; as, an expert surgeon; expert in chess or archery.

"A valiant and most expert gentleman." -- Shak.

"What practice, howsoe'er expert In fitting aptest words to things . . . Hath power to give thee as thou wert?" -- Tennyson.

Syn. -- Adroit; dexterous; clever; ready; prompt.

1. An expert or experienced person; one instructed by experience; one who has skill, experience, or extensive knowledge in his calling or in any special branch of learning.

2. (Law) (a) A specialist in a particular profession or department of science requiring for its mastery peculiar culture and erudition.

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Such specialists may be witnesses in matters as to which ordinary observers could not without such aid form just conclusions, and are liable for negligence in case they injure another from want of proper qualifications or proper care in the exercise of their specialty.

(b) A sworn appraiser.

1. To experience. [Obs.]

"Die would we daily, once it to expert." -- Spencer.