noneffective

Having no power to produce an effect; causing no effect.

Unfitted for active service: applied to that portion of the personnel of an army or a navy that is not in a condition for active service, as superannuated and half-pay officers, pensioners, and the like.

Connected with non-effectives, their maintenance, etc.

noun

A member of a military force who is not in condition for active service, as through age, illness, etc.

adjective

Not effective; ineffective.

adjective

Not fit or available for duty.

adjective

Not effective.

adjective

(military) Not able to assume active duty.

noun

A member of the military who is unable to assume active duty.