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Everyday · Often misused

Fortuitous: meaning, pronunciation and examples

Fortuitous adjective. Happening by chance rather than by design.

How to say it

for-TYOO-ih-tus/fɔːˈtjuːɪtəs/ · American /fɔrˈtuːɪtəs/

4 syllables, stressed on the second (TYOO).

Fortuitous in a sentence

Their meeting was fortuitous: both had missed the same train.

The discovery of penicillin was partly fortuitous, thanks to a dirty dish.

Similar and opposite

Similar:

  • accidental
  • chance
  • unplanned
  • random

Opposite:

  • deliberate
  • planned
  • intended

Careful

Fortuitous means by chance, lucky or not. It's widely used to mean simply 'lucky', a sense dictionaries now record, but 'fortunate' says that more clearly.

Where fortuitous comes from

From Latin fortuitus, from fors, chance.

Test yourself

Which word fills the gap?

The discovery of penicillin was partly _____, thanks to a dirty dish.

  • disinterested
  • ironic
  • fortuitous
Show the answer

fortuitous: The discovery of penicillin was partly fortuitous, thanks to a dirty dish.