1. involving or requiring no physical contact between people or objects
Usage: commonly used in technology and payment contexts
2. relating to a payment method that uses wireless technology to transfer funds without inserting or swiping a card
Usage: technology; finance

Examples

• Many stores now offer contactless payment options for customer safety.
• The contactless thermometer can measure temperature without touching the skin.
• During the pandemic, contactless delivery became the preferred shipping method.
• She used her contactless credit card to pay at the grocery store.
• The new ATM features contactless card readers.
• Contactless check-in at hotels reduces wait times and crowds.