improvident /im-provˈi-dənt/

1. Not provident or prudent
2. Lacking foresight
3. Thoughtless

• illiteracies
• illiteracy
• illiterate
• illiterately
• illiterateness
• illiteratenesses
• illiterates
• illites
• ill-judged
• ill-looking
• ill luck
• ill-manned
• ill-mannered
• ill-matched
• ill nature
• ill-natured
• ill-naturedly
• ill-naturedness
• illness
• illnesses
• illocution
• illocutionary
• illocutions
• ill off
• ill-off