Webster's Revised Unabridged Dictionary · 1913

Imprudent

Imprudent , adjective

[Latin imprudens; pref. im- not + prudens prudent: compare French imprudent. See Prudent, and compare Improvident.]

Not prudent; wanting in prudence or discretion; indiscreet; injudicious; not attentive to consequence; improper.
Her majesty took a great dislike at the imprudent behavior of many of the ministers and readers. — Strype