impede

/ɪmˈpiːd/ · im-PEEDverb

To prevent, obstruct, or slow progress.

Use impede when an obstacle makes movement, development, communication, or completion more difficult or slower.

What impede Really Means

The word becomes easier to use when its closely related senses are separated and compared.

1

Slow physical movement

Create an obstacle that restricts or delays travel or flow.

Example

Dense ice impeded the ship's progress through the channel.

2

Hinder a process

Make research, communication, or completion more difficult or time-consuming.

Example

Frequent equipment failures impeded the collection of reliable data.

3

Restrict development

Hold back the growth of a skill, institution, organism, or system.

Example

Limited access to water may impede seedling development.

Use impede Naturally

Notice how the surrounding noun or clause reveals the exact shade of meaning.

Dense ice impeded the ship's progress through the channel.

Inconsistent terminology can impede communication across disciplines.

The damaged equipment severely impeded the team's ability to collect data.

Precision Matters

Impede overlaps with several common words, but each carries a different emphasis.

impede

May merely slow or obstruct without stopping something completely.

vs.
prevent

Stops an event or action from occurring.

impede

Usually concerns an external obstacle to progress or movement.

vs.
inhibit

Restrains an action, response, or biological process.

impede

Emphasises the obstacle that makes progress difficult.

vs.
delay

Emphasises that an event happens later than expected.

impede

Can apply to abstract development or communication as well as movement.

vs.
obstruct

Often describes physically blocking a path or deliberately hindering action.

Test impede in Context

The sediment makes the vessels' movement more difficult and restricted.

1

Sediment accumulated in the narrow channel, reducing its depth enough to ___ the movement of research vessels at low tide.

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated2 August 2026
Selection and reviewRead our methodology