Synonyms of unintentional
24 similar words · 2 opposite words
Another word for unintentional is casual. Other synonyms of unintentional are unintended, unplanned, involuntary, fortuitous and serendipitous. The opposite of unintentional is intended.
Synonyms and similar words for unintentional
adjectiveInadvertent; unwitting.
- nonintentionalSynonym of unintentional.
- unintendedNot intended; unplanned.
- incidental
- accidentalHappening by chance, or unexpectedly; taking place not according to the usual course of things; by accident...
- adventitiousAccidental, additional, appearing casually.
- by accidentAccidental; as the result of some unforeseen happening or series of events; unexpected; resulting from an event without...
- by the byIncidental; unplanned.
- casualHappening by chance.
- causelessHaving no obvious cause; fortuitous or inexplicable.
- fortuitousHappening by fortune or chance; accidental, coincidental.
- lippening UK, dialectalOccasional; accidental.
- occasional
- random
- serendipitousBy serendipity; by unexpected good fortune.
- unforeseen
- unplannedUnintentional; not intended.
- accidentary obsolete
- chanceable obsoleteHappening by chance; accidental.
adjectiveMore synonyms
- designlessWithout design.
- inadvertent
- involuntaryWithout intention; unintentional.
- undesigned
- unpurposedNot deliberate.
- unwittingUnintentional.
Opposite of unintentional
adjectiveInadvertent; unwitting.
Meaning of unintentional
- adjective Inadvertent; unwitting.
- adjective Unmindful.
unintentional in other languages
Questions about synonyms of unintentional
- What is another word for unintentional?
- Unintentional has 24 synonyms on Word.ws, such as casual, unintended, unplanned, involuntary, fortuitous, serendipitous, accidental and unwitting.
- What is the opposite of unintentional?
- The opposite of unintentional is intended.
- What does unintentional mean?
- Unintentional means inadvertent; unwitting.
Source and license
Adapted from Wiktionary: unintentional (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 unintentional.” Word.ws, https://word.ws/synonyms/unintentional. Based on Wiktionary, CC BY-SA 4.0.