Synonyms of fortuitous
25 similar words · 2 opposite words
Another word for fortuitous is casual. Other synonyms of fortuitous are happy, lucky, unintentional, freak and serendipitous. The opposite of fortuitous is nonfortuitous.
Synonyms and similar words for fortuitous
adjectiveHappening by fortune or chance; accidental, coincidental.
- by accidentAccidental; as the result of some unforeseen happening or series of events; unexpected; resulting from an event without...
- accidental
- adventitiousAccidental, additional, appearing casually.
- by the byIncidental; unplanned.
- casualHappening by chance.
- causelessHaving no obvious cause; fortuitous or inexplicable.
- incidental
- lippening UK, dialectalOccasional; accidental.
- occasional
- random
- serendipitousBy serendipity; by unexpected good fortune.
- unforeseen
- unintendedNot intended; unplanned.
- unintentionalInadvertent; unwitting.
- unplanned
- accidentary obsolete
- chanceable obsoleteHappening by chance; accidental.
adjectiveHappening by good fortune or success; fortunate, lucky.
- providential
- charmedHaving great good fortune, as though magically wrought.
- fortunate
- freakStrange, weird, unexpected.
- happyExperiencing the effect of favourable fortune; favored by fortune or luck; fortunate, lucky.
- luckyProducing, or resulting in, good fortune.
- sonsy British, dialectalLucky; fortunate; thriving; plump.
adjectiveHappening independently of human control; uncontrollable.
Opposite of fortuitous
adjectiveHappening by fortune or chance; accidental, coincidental.
- nonfortuitousNot fortuitous.
- unfortuitousNot fortuitous.
Meaning of fortuitous
- adjective Happening by fortune or chance; accidental, coincidental.
- adjective Happening by good fortune or success; fortunate, lucky.
- adjective Happening independently of human control; uncontrollable.
fortuitous in other languages
Questions about synonyms of fortuitous
- What is another word for fortuitous?
- Fortuitous has 25 synonyms on Word.ws, such as casual, happy, lucky, unintentional, freak, serendipitous, charmed and adventitious.
- What is the opposite of fortuitous?
- The opposite of fortuitous is nonfortuitous. Other antonyms of fortuitous are unfortuitous.
- What does fortuitous mean?
- Fortuitous means happening by fortune or chance; accidental, coincidental.
Source and license
Adapted from Wiktionary: fortuitous (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 fortuitous.” Word.ws, https://word.ws/synonyms/fortuitous. Based on Wiktionary, CC BY-SA 4.0.