1. having taken on too many commitments or responsibilities
2. having borrowed or spent more money than one can afford to repay
Usage: financial
3. stretched or extended beyond a safe or proper limit

Examples

• The company became overextended after expanding too quickly into new markets.
• She felt overextended with work, school, and volunteer commitments.
• The military forces were overextended across multiple fronts.
• Many homeowners became overextended during the housing boom.
• His arm was overextended during the tennis serve, causing injury.
• The small business was overextended financially and couldn’t pay its bills.
• I’m overextended this month with three major projects due.