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 …

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

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

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

Definition of 'adventitious' adventitious in British English (ˌædvɛnˈtɪʃəs ) adjective

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

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.