expert

Meanings

1. 1
   adj

   Extraordinary capable or knowledgeable.

   I am expert at making a simple situation complex.

2. 2
   adj

   Characteristic of an expert.

   This problem requires expert knowledge.

3. 3
   noun

   A person with extensive knowledge or ability in a given subject.

   If an expert says it can't be done, get another expert. - David Ben-Gurion

4. 4
   verb

   To have (something) reviewed or checked by an expert.

   Estimated cost of editorial work on Advanced History […] Estimated cost of experting the Advanced History […]

5. 5
   adj

   having or showing knowledge and skill and aptitude

6. 6
   adj

   of or relating to or requiring special knowledge to be understood

7. 7
   noun

   a person with special knowledge or ability who performs skillfully

8. 8
   adj

   Proven, experienced, veteran.

Etymology

Inherited from Middle English [Term?], derived from Old French [Term?] (“experienced”), derived from Latin expertus, perfect active participle of experior (“to try”).