invalid (adjective) invalid: worthless; unfounded
Sinonime: abeyant, asleep, closed down,
comatose,
down, fallow, hibernating,
inert, inoperative,
latent,
lethargic, lurking, on the shelf, out of action,
passive,
potential, prepatent,
quiescent, sidelined,
slack,
sluggish, slumbering, smoldering, suspended,
torpidAntonime: active,
lively