Search
Select the dictionary language
to run up on
[phrase form: run]
01
to unexpectedly and aggressively confront someone
Grammatical Information
Composition
phrasal
Movement verb
Regular
Inseparable
Particle
up on
Base verb
run
Present tense
run up on
3rd person singular
runs up on
Present participle
running up on
Past simple
ran up on
Past participle
run up on
Examples
He ran up on his rival at the party and started a heated argument.
