ダメダメ
Meanings
Adjective (な)
Usually written in kana
1. entirely useless; completely worthless
Interjection
Usually written in kana
2. no no; don't!
Top 10800
Composed of
no good; not serving its purpose; hopeless; wasted; cannot; must not
Examples (2 in total)
My grammar is poor.
This search engine is no good.