Adventitious comes from Latin adventīcius, meaning "coming from outside," which, in turn, is from advenīre, "to arrive." The verb is the source of other English words, including advent, adventure, and …

ADVENTITIOUS definition: associated with something by chance rather than as an integral part; extrinsic. See examples of adventitious used in a sentence.

The inevitability of some association among variables within the ecology of human development would suggest that cascades are commonplace, and thus, potentially marking only small, adventitious, or …

Dec 11, 2025 · Adjective adventitious (comparative more adventitious, superlative most adventitious) From an external source; not innate or inherent, foreign. Synonyms: extrinsic, exogenous Accidental, …

Arising from an external cause or factor; not inherent: symmetry that was purely adventitious; adventitious circumstances that contributed to the plan's success.

Definition of 'adventitious' adventitious in American English (ˌædvɛnˈtɪʃəs , ˌædvənˈtɪʃəs ) adjective Origin: L adventicius, coming from abroad: see Advent

adventitious, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Definition of adventitious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Arising from an external cause or factor; not inherent: symmetry that was purely adventitious; adventitious circumstances that contributed to the plan's success.

Adventitious definition: Added from outside; not inherent; accidental.