Unpremeditated or offhand:
The definition of extrinsic refers to a non-essential part, or to something that is not really relevant to the heart of the matter.
Conducted or involved with other nations or governments; not domestic:
The definition of fortuitous is happening by chance.
Having little or no importance; not essential.
(Logic, philosophy, of a set of properties) In a relationship with another set such that membership in the other set implies membership in the present set
Relating to or occurring on or near the surface of the earth.
Find another word for adventitious. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for adventitious, like: accidental, casual, extrinsic, foreign, fortuitous, nonessential, adscititious, incidental, supervenient, surface and mycotoxin.