1. requiring too much effort, energy, or resources; excessively demanding

1. present participle of overtax: to tax too heavily or to put too great a strain on

Examples

• The overtaxing schedule left her completely exhausted.
• He found the advanced math course overtaxing for his current skill level.
• The government is overtaxing small businesses with new regulations.
• She worried about overtaxing her injured knee during the marathon.
• The overtaxing workload forced several employees to quit.
• The teacher avoided overtaxing the students with too much homework.
• His overtaxing demands on the team created low morale.