下着|したぎshitagi[0]heiban (flat)

1. noununderwear; undergarment; underclothes; lingerie
   私は新あたらしい下着したぎが気きに入はいっている。↗

   I'm pleased with my new underwear.

• Synonym肌着はだぎNeutralGarments worn directly against the skin, as in 「綿の肌着」; stresses being next to the skin, while 「下着」also covers layers worn under outer clothes.
• SynonymアンダーウェアNeutralLoanword for underwear, common in clothing product categories; sounds more fashionable than 「下着」.
• SynonymインナーCasualColloquial loanword for underwear or base-layer tops worn inside outerwear; its range is broader than 「下着」.
• Related下着類したぎるいWrittenWritten/formal term, a collective for underwear, used mostly in product categories or statistics.
• Antonym上着うわぎNeutralThe opposite of 「下着」: a top or outer garment worn on the outside.

Default to 「下着」for underwear. Use 「肌着」for garments worn next to the skin, 「アンダーウェア」in product listings, 「インナー」for base layers, and 「上着」for outer tops.

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

1. 肌はだに、直接ちょくせつつける衣類いるい。
2. 保温ほおんや形かたちを整ととのえるために上着うわぎの下したに着きる衣類いるい。