Free Forever
Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.
Listen to pronunciation
Show inflections Hide inflections
Verb inflections
| Form | Affirmative | Negative |
|---|---|---|
| Present | 無駄になる | 無駄にならない |
| Polite | 無駄になります | 無駄になりません |
| Past | 無駄になった | 無駄にならなかった |
| Polite + Past | 無駄になりました | 無駄になりませんでした |
| Te-form | 無駄になって | 無駄にならなくて |
| Potential | 無駄になれる | 無駄になれない |
| Passive | 無駄になられる | 無駄になられない |
| Causative | 無駄にならせる | 無駄にならせない |
| Causative + Passive | 無駄にならされる | 無駄にならされない |
| Imperative | 無駄になれ | 無駄になるな |
Example
せっかく準備した計画が、雨のせいで全て無駄になった。
The plan I had worked hard to prepare all went to waste because of the rain.
Usage Notes
Describes a situation where effort, money, or time spent does not yield the intended result or becomes useless.
Sottaku
About Sottaku
Sottaku is an app for learning a growing range of Asian and European languages with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.
Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.
Smart SRS System
Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.
Comprehensive Content
From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.
Community Chat
Ask level-appropriate questions and get help from the community. Learn together with fellow learners across every supported language.