タッチレス

noun which may take the genitive case particle 'no'

touchless; contactless

Describes technology or systems that operate without physical contact, such as touchless faucets, contactless payment, or touch-free interfaces.

• この水すい栓せんはタッチレスで、手てをかざすだけで水みずが出でます。

  This faucet is touchless; water flows just by holding your hand over it.

• タッチレス決けっ済さいが普ふ及きゅうしてきた。

  Contactless payment has become widespread.