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informal (EN)
形容詞

形容詞 “informal”

基本形 informal (more/most)
  1. 非公式の
    We had an informal discussion over coffee about our future plans.
  2. 普段着の
    You can wear informal clothes like jeans and a T-shirt to the barbecue.
  3. 口語の
    In informal speech, people often use slang and contractions.
  4. 非公式の(ビジネスにおいて)
    The sellers are part of the informal economy.