debilitate

As a noun quell

is source.

As a verb debilitate is

to make feeble; to weaken.

Injure is a related term of debilitate.

As verbs the difference between injure and debilitate

is that injure is to wound or cause physical harm to a living creature while debilitate is to make feeble; to weaken.

As verbs the difference between dwindle and debilitate

is that dwindle is to decrease, shrink, diminish, reduce in size while debilitate is to make feeble; to weaken.

As verbs the difference between mitigate and debilitate

is that mitigate is to reduce, lessen, or decrease while debilitate is to make feeble; to weaken.

Decrease is a related term of debilitate.

As verbs the difference between decrease and debilitate

is that decrease is of a quantity, to become smaller while debilitate is to make feeble; to weaken.

As a noun decrease

is an amount by which a quantity is decreased.

Debilitate is a related term of debase.

As verbs the difference between debilitate and debase

is that debilitate is to make feeble; to weaken while debase is to lower in character, quality, or value; to degrade.

As verbs the difference between debilitate and invigorate

is that debilitate is to make feeble; to weaken while invigorate is to impart vigor, strength, or vitality to.

As verbs the difference between attenuate and debilitate

is that attenuate is to reduce in size, force, value, amount, or degree while debilitate is to make feeble; to weaken.

As an adjective attenuate

is gradually tapering into a petiole-like extension toward the base.

As verbs the difference between debilitate and duress

is that debilitate is to make feeble; to weaken while duress is to put under ; to pressure.

As a noun duress is

(obsolete) harsh treatment.

As verbs the difference between debilitate and deplete

is that debilitate is to make feeble; to weaken while deplete is to empty or unload, as the vessels of the human system, by bloodletting or by medicine.