run against

B2 neutral inseparable transitive

In simple words

to hit something or to meet a problem or rule that stops you

Meanings

1 B2 neutral

rare

to hit or move into something while running or moving

"The dog ran against the gate and barked loudly."

Grammar: inseparable

2 B2 idiomatic formal

uncommon

to come into conflict with a rule, limit, or opposing force

"Their plan ran against local safety regulations."

Grammar: inseparable

Usage notes

Literal collision sense is less common than 'run into'. Figurative use appears in legal, practical, and political contexts.

wall law rules resistance opposition deadline

Base

run against

I/you/we/they

3rd person

runs against

he/she/it

Past simple

ran against

yesterday

Past participle

run against

have + pp

-ing form

running against

continuous

Try:

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conflict with go against collide with meet resistance from clash with

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