inefficient
🇺🇸
/ˌɪnɪˈfɪʃnt/
🇬🇧
/ˌɪnɪˈfɪʃnt/
adjective
R
not using time, money, or energy well
The old machine is inefficient because it uses too much electricity and works slowly.
この古い機械は非効率的です。なぜなら、電力を使いすぎて動作が遅いからです。
translation
非効率的