Noah Webster
Inconsiderate
INCONSID'ERATE, adjective [Latin inconsideratus. See Consider.]
1. Not considerate; not attending to the circumstances which regard safety or propriety; hasty; rash; imprudent; careless; thoughtless; heedless; inattentive. The young are generally inconsiderate
2. Proceeding from heedlessness; rash; as inconsiderate conduct.
3. Not duly regarding; with of, before the subject; as inconsiderate of consequences.