adjective.
Not sound; not whole; not solid; defective; infirm; diseased.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
not sound financially
adjective.
containing or based on a fallacy
adjective.
not in good condition; damaged or decayed
adjective.
suffering from severe mental illness
adjective.
physically unsound or diseased
adjective.
of e.g. advice
Word Usage
"The parliament cited the pontiff, and, when he failed to appear, loyally declared his title unsound, and, under the lead of their first president (another"