unsound

Not dependably strong or solid.

Not physically or mentally healthy.

Not true or logically valid; fallacious.

Not sound.

Not sound; not whole; not solid; defective; infirm; diseased.

Not sound; not whole; not solid; defective; infirm; diseased.

not sound financially

containing or based on a fallacy

not in good condition; damaged or decayed

suffering from severe mental illness