Definitions for: Unwise

[adj] not appropriate to the purpose
[adj] showing or resulting from lack of judgment or wisdom; "an unwise investor is soon impoverished"

Webster (1913) Definition: Un*wise", a. [AS. unw[=i]s. See Un- not, and Wise,
a.]
Not wise; defective in wisdom; injudicious; indiscreet;
foolish; as, an unwise man; unwise kings; unwise measures.

Synonyms: foolish, impolitic, inexpedient