Adjective

(en adjective)

Expressed or represented as being accurate.

A ''realistic'' appraisal of the situation.

* {{quote-news

, year=2011 , date=October 1 , author=Tom Fordyce , title=Rugby World Cup 2011: England 16-12 Scotland , work=BBC Sport citation , page= , passage=Scotland needed a victory by eight points to have a realistic chance of progressing to the knock-out stages, and for long periods of a ferocious contest looked as if they might pull it off.}}

Relating to the representation of objects, actions or conditions as they actually are or were.

A ''realistic'' novel about the Victorian poor.

Adjective

(en adjective)

(geometry) Having a common center.

(physiology) (of a motion) in the direction of contraction of a muscle. (E.g. extension of the lower arm via the elbow joint while contracting the triceps and other elbow extensor muscles; closing of the jaw while flexing the masseter).

Antonym: eccentric. Concentric and eccentric movements are collectively referred to as isotonic (with motion), the antonym of which is isometric (without motion).