Added or introduced from outside, not belonging to the place or person where it is found, adventitious, external. In Surgery = foreign, adj. 5.

That is foreign in nature or character; alien, strange, unfamiliar; different from.

Coming from without, having an outside origin; = external, adj. 4. Now rare.

Not native; = non-native, adj.

= extrinsic, adj. 3b.

That has been introduced or implanted; infixed.

Coming from outside or from an external source; added or occurring as a result of an external factor or of chance, rather than by design or inherent…

That intervenes or comes in between; that comes in as something incidental, secondary, or extraneous.

Gained; obtained or secured, esp. through concerted effort or over a period of time; (of a characteristic, etc.) developed without intent, picked up.

Of a cause or influence: Operating from without, external, extraneous.

Chiefly Medicine. Coming from outside or elsewhere; spec. introduced into an organism, tissue, etc., from outside; not naturally present in the body.

Of external origin; introduced or added from without; foreign to the object in which it is contained, or to which it is attached.

Added to something naturally existing. Obsolete.

That is or has been acquired; of the nature of an acquisition. Opposed to natural or innate.

Arising or acting from without, originating from something outside. external evidence n. evidence derived from circumstances or considerations…

= adventitious, adj. Obsolete.

= foreign, adj. in various senses; alien, extrinsic; in, pertaining to, or coming from another country.

= adventitious, adj. 1.

Arising from without; opposed to innate.