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hit upon

B2 formal inseparable transitive

To discover or think of something, especially a good idea or solution, often unexpectedly.

In plain English

To suddenly think of or find a good idea, sometimes by accident.

What does "hit upon" mean?

2 meanings, ordered from most common to least. Color-coded by CEFR level.

1 B2 idiomatic formal

To discover or think of a good idea, plan, or solution, often by chance or sudden inspiration.

"Newton is said to have hit upon his theory of gravity after observing a falling apple."

He hit upon the idea of using a rubber band to hold the papers together.

— The Economist (paraphrased journalistic usage, widely attested pattern)
inseparable
2 C1 idiomatic formal

To find or encounter something unexpectedly while searching or exploring.

"While sorting through the archive, the historian hit upon a collection of previously unknown letters."

inseparable

Literal vs figurative

Words literally mean

To strike something on top of it — the leap to 'discover' is idiomatic.

Actually means

To suddenly think of or find a good idea, sometimes by accident.

Usage tip

'Hit upon' is the more formal and literary variant of 'hit on' in the sense of discovering an idea. It is common in academic, journalistic, and historical writing. Not used for flirting.

Words that pair with "hit upon"

Natural word combinations native speakers use most often.

idea solution formula method answer plan

How to conjugate "hit upon"

The five tense forms you'll use most often.

Base
hit upon
I/you/we/they
3rd person
hits upon
he/she/it
Past simple
hit upon
yesterday
Past participle
hit upon
have + pp
-ing form
hitting upon
continuous

Hear "hit upon" in the wild

Listen to native speakers using "hit upon" in real YouTube videos — click a clip to watch it on Looplines.

Keep exploring

Jump to every phrasal verb built on the same verb, particle, or level.