Meaning & use
cusp
Last updated
a point of transition between two different states or situations, especially one that is about to happen.
See it in a sentence
The company was on the cusp of a major breakthrough after years of research.
At seventeen, she felt she was on the cusp of adulthood.
A note on using this word
Almost always used in the phrase on the cusp of, rather than as a standalone noun.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. noun
a pointed end where two curves meet, as on a tooth or a crescent moon.
The crescent moon's two cusps pointed toward the horizon.
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