代だい用よう

noun, noun or participle which takes 'suru', transitive verb, noun which may take the genitive case particle 'no'

substitution; using as a substitute

Refers to using something in place of the usual or intended item, often because the original is unavailable or impractical. Common in compounds like 代用品 (substitute item).

• バターがないので、マーガリンで代だい用ようした。

  Since there was no butter, I used margarine as a substitute.

• この部ぶ品ひんは代だい用よう