From The Collaborative International Dictionary of English v.0.48:
Imprudent \Im*pru"dent\, a. [L. imprudens; pref. im- not +
prudens prudent: cf. F. imprudent. See Prudent, and cf.
Improvident.]
Not prudent; wanting in prudence or discretion; indiscreet;
injudicious; not attentive to consequence; improper. --
Im*pru"dent*ly, adv.
[1913 Webster]
Her majesty took a great dislike at the imprudent
behavior of many of the ministers and readers.
--Strype.
[1913 Webster]
Syn: Indiscreet; injudicious; incautious; ill-advised;
unwise; heedless; careless; rash; negligent.
[1913 Webster]