UNWISELY

foolishly, unwisely

(adverb) without good sense or judgment; “He acted foolishly when he agreed to come”

Source: WordNet® 3.1

Etymology

Adverb

unwisely (comparative more unwisely, superlative most unwisely)

In an unwise manner; foolishly.

Source: Wiktionary

Un*wise"ly, adv. Etym: [AS. unwislice.]

Definition: In an unwise manner; foolishly.

UNWISE

Un*wise", a. Etym: [AS. unwis. See Un- not, and Wise, a.]

Definition: Not wise; defective in wisdom; injudicious; indiscreet; foolish; as, an unwise man; unwise kings; unwise measures.

Source: Webster’s Unabridged Dictionary 1913 Edition