Definitions

fortuitous

[fawr-too-i-tuhs, -tyoo-] / fɔrˈtu ɪ təs, -ˈtyu- /

ADJECTIVE

lucky, accidental

Synonyms

STRONGEST

fortunate odd random serendipitous unforeseen

WEAK

arbitrary casual chance contingent fluke fluky haphazard happy incidental luck in luck out lucky-dog providential unplanned

Antonyms

WEAK

calculated deliberate designed intentional planned unlucky

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Against the bullish backdrop, the IPO could turn out to be fortuitous, or an omen.

From Barron's • Jun. 3, 2026

This purchase was especially fortuitous as the facility was in an area already zoned to permit a medical clinic.

From Slate • Jan. 13, 2026

Northampton's eighth try was more fortuitous than well-crafted, with Smith the happy recipient following a pass from Anthony Belleau that rebounded off the head of JJ van der Mescht.

From BBC • Jan. 3, 2026

To her, it’s fortuitous timing so many milestones have occurred in the past 12 months.

From Los Angeles Times • Dec. 17, 2025

It was just too fortuitous to pass up.

From "Artemis Fowl" by Eoin Colfer

Vocabulary lists containing fortuitous

100 Top "SAT" Words

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300 Most Difficult "SAT" Words

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Grade 10, List 3

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