Word.ws English Dictionary

Synonyms of adventitious

23 similar words

Another word for adventitious is casual. Other synonyms of adventitious are unintentional, fortuitous, serendipitous, accidental and causeless.

Synonyms and similar words for adventitious

adjectiveFrom an external source; not innate or inherent, foreign.

adjectiveAccidental, additional, appearing casually.

adjectiveNot congenital; acquired.

  • acquiredDeveloped after birth; not congenital.

Meaning of adventitious

  1. adjective From an external source; not innate or inherent, foreign.
  2. adjective Accidental, additional, appearing casually.
  3. adjective Not congenital; acquired.

Full definition of adventitious

adventitious in other languages

Questions about synonyms of adventitious

What is another word for adventitious?
Adventitious has 23 synonyms on Word.ws, such as casual, unintentional, fortuitous, serendipitous, accidental, causeless, acquired and unintended.
What does adventitious mean?
Adventitious means from an external source; not innate or inherent, foreign.

Source and license

Adapted from Wiktionary: adventitious (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of adventitious.” Word.ws, https://word.ws/synonyms/adventitious. Based on Wiktionary, CC BY-SA 4.0.