Meaning & use
infinitesimal
Last updated
Extremely small, almost too tiny to be measured or noticed.
See it in a sentence
The chances of winning the lottery twice are infinitesimal.
An infinitesimal crack in the pipe was enough to cause the leak.
A note on using this word
Comes from the same root as 'infinite'; in mathematics, an infinitesimal is a quantity closer to zero than any positive number.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Make it your own
Write a sentence using “infinitesimal”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.