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informal
01
非公式な, カジュアルな
suitable for friendly, relaxed, casual, or unofficial occasions and situations
1.1
非公式な, カジュアルな
of spoken or written language that is casual, relaxed, and not bound by strict rules or formalities
02
非公式の, 非認可の
not officially recognized or controlled
03
非公式の, フレンドリーな
having or fostering a warm or friendly and informal atmosphere
informal
adj
formal
adj
form
n
例
The language in text messages is usually quite informal.
The party was an informal gathering of friends.
The staff had an informal celebration to mark the end of the project.
The music festival had an informal atmosphere where everyone could relax.
The club had an informal dress code, so jeans and t-shirts were acceptable.
