カジュアルkajuaru[1]atamadaka (head-high)

1. na-adjectivecasual; informal

• 1.
  SynonymインフォーマルNeutralA loanword for occasions not bound by formality, as in 「インフォーマルな会合」. Close to 「カジュアル」 but used more for events and settings than for clothing style.
• 2.
  Related気安いきやすいCasualColloquial adjective for people who are easy to talk to and put you at ease, as in 「気安く話しかける」. It describes interpersonal attitudes; 「カジュアル」 is about dress and occasions.
• 3.
  Related気さくきさくCasualA colloquial word for a cheerful, easygoing personality, as in 「気さくな人」; also a relaxed, welcoming atmosphere or shop. 「カジュアル」 is about informal dress and occasions.
• 4.
  RelatedフレンドリーCasualA colloquial loanword describing a friendly, warm attitude in people. 「カジュアル」 instead stresses being relaxed and free of formality.
• 5.
  Related非公式ひこうしきWrittenA written/formal term for something lacking official or formal standing, as in 「非公式会談」. It concerns status and cannot describe clothing styles.
• 6.
  Related略式りゃくしきWrittenA written/formal term for a simplified procedure that skips formal steps, as in 「略式起訴」. 「カジュアル」 refers to a relaxed, casual style instead.
• 7.
  Related軽いかるいCasualA colloquial word that basically means light in weight; in its sense of casual and not serious it comes close to 「カジュアル」, as in 「軽い気持ちで参加する」.
• 8.
  Related人懐っこいひとなつっこいCasualA colloquial adjective for people (or animals) that warm to others quickly, as in 「人懐っこい犬」. 「カジュアル」 is about casual, informal style, not fondness for company.
• 9.
  Related親しみやすいしたしみやすいNeutralAn adjective for someone approachable and easy to get along with, as in 「親しみやすい先生」. 「カジュアル」 describes a casual style rather than a personality.
• 10.
  AntonymフォーマルNeutralA loanword meaning formal and solemn, as in 「フォーマルな服装」. It is the direct opposite of 「カジュアル」 on the casual–formal scale.
• 11.
  Antonym正装せいそうFormalA formal term for formal dress or dressing formally. It stands opposite to 「カジュアル」 as formal wear versus casual wear.

Use 「カジュアル」 for relaxed, informal clothing and occasions. For events free of formality say 「インフォーマル」, for unofficial matters 「非公式」, and for an easygoing personality 「気さく」. The opposite is 「フォーマル」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 服装ふくそうやものごしなどが格式かくしきばっておらず、気軽きがるでくだけているさま。