Perturb vs Impede - What's the difference?

As verbs the difference between perturb and impede

is that perturb is to disturb; to bother or unsettle while impede is to get in the way of; to hinder.

(en verb)

To disturb; to bother or unsettle.

(physics) To slightly modify the motion of an object.

(astronomy) To modify the motion of a body by exerting a gravitational force.

(mathematics) To modify slightly, such as an equation or value.

* perturbation * perturbative

* * *

(imped)

to get in the way of; to hinder

* See also

* assist, help * expede (obsolete) * expedite