improvident
/ɪmˈprɑvɪdənt/
adjective
- Not planning or saving for the future; spending money or resources carelessly without thinking about what might happen later.
- The improvident farmer used up all the soil's nutrients without rotating his crops.
- His improvident spending left him with no savings when he lost his job.
- She regretted her improvident decision to buy an expensive car she couldn't afford.