1. Without foresight or forecast.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• umprovidently,
• jmprovidently,
• kmprovidently,
• omprovidently,
• 9mprovidently,
• 8mprovidently,
• inprovidently,
• ikprovidently,
• ijprovidently,
• imorovidently,
• imlrovidently,
• im-rovidently,
• im0rovidently,
• impeovidently,
• improvodently,
• impovidently,
• improvadently,
• improvidintly,
• improvently,
• improvidentlye

• improvidence,
• improvement,
• imprudently,
• improvable,
• impropriety,
• improvident,
• improvised,
• imprudence,
• improvisation.

The adjective form of the word "improvidently" is "improvident".