Definitions

fortuitous

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

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.

The turnaround mission comes at a fortuitous time, when malls are once again alive with the sound of teenagers hanging out and spending money.

From The Wall Street Journal • May 16, 2026

But now they are now clued in to their fortuitous timing.

From Barron's • Apr. 1, 2026

Sometimes, a swerving behind can be a fortuitous red flag, signaling hidden spinal defects before expensive MRIs are required.

From Slate • Feb. 22, 2026

Nothing was fortuitous about the way he outlasted two-time defending champion Jannik Sinner in the semi-finals.

From BBC • Jan. 31, 2026

But that, as he explained furiously, was fortuitous.

From "I, Robot" by Isaac Asimov

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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