浪費する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 浪費する | 浪費しない |
| Polite | 浪費します | 浪費しません |
| Past polite | 浪費しました | 浪費しませんでした |
| Past | 浪費した | 浪費しなかった |
| Te-form | 浪費して | 浪費しないで |
| Desire | 浪費したい | 浪費したくない |
| Potential | 浪費できる | 浪費できない |
| Passive | 浪費される | 浪費されない |
| Causative | 浪費させる | 浪費させない |
| Causative passive | 浪費させられる | 浪費させられない |
| Volitional | 浪費しよう | |
| Polite volitional | 浪費しましょう | |
| Imperative | 浪費しろ | 浪費するな |
| Conditional | 浪費すれば | 浪費しなければ |
| Tara conditional | 浪費したら | 浪費しなかったら |
noun, noun or participle which takes 'suru', transitive verb, noun which may take the genitive case particle 'no'
Refers to wasting money, time, resources, or effort. Often used in contexts of personal finance, energy, or talent. Can be used as a noun, suru-verb, or no-adjective.
彼は給料のほとんどをギャンブルに浪費してしまった。
He squandered most of his salary on gambling.
Let's make a plan to avoid wasting time.
This is clearly a waste of tax money.
He wasted his money on gambling.
Attending a meeting like that is a waste of time.
浪費する specifically means to waste money or time carelessly, whereas 使い果たす simply describes exhausting a resource completely, with waste only implied by context.
浪費 means wasteful squandering of money or resources and is usually negative, whereas 贅沢 refers to luxury or indulgence that can be positive, neutral, or negative.
浪費する specifically stresses wasteful spending of money or resources, while おごる (extravagant sense) describes a generally luxurious, indulgent lifestyle.
浪費する always carries a negative sense of wasteful spending, matching the 'waste; squander' meaning of 費やす.