English Reference
Verb

impede

v.
C1 Advanced US /ˌɪmˈpid/ UK /ɪmpˈiːd/ im·pede UK spelling impeded, impedes, impeding

v.to slow something down or make it difficult for someone to move or make progress.

v.to delay or block the progress or movement of something by creating obstacles. Transitive; requires a direct object.


SIMPLE

The heavy rain will impede our travel plans today.

CONTEXTUAL

Strict government regulations can sometimes impede the growth of small businesses by increasing their administrative costs.

COMPLEX

The investigation was significantly impeded by a lack of cooperation from key witnesses and the accidental destruction of several crucial documents.

Usage

The verb is transitive and takes a direct object; often used in passive constructions.

Pitfall
The traffic impeded to our arrival.The traffic impeded our arrival.

Impede is a transitive verb and does not take the preposition 'to' before its object.

Usage impede development

Access to the carparks was also impeded, leaving people with parked cars unable to access them.

The Guardian· 15 Aug 2026

They’re also evidence of how climate change isn’t just changing the environments we all live in, but also impeding our ability to connect with one another.

The Conversation· 5 Aug 2026

Borrowed from Latin impediō (“to shackle”), from pēs (“foot”) (compare pedestrian). First attested use as a verb was in William Shakespeare's Macbeth, see quotations.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin impediō
Level C1 · Advanced
Frequency Occasional
Updated