contactless adjective 4noun 1 adjective4 •That does not use or require contact in order to happen or operate. •Conducted without human-to-human contact to improve ease of use or reduce the potential spread of a contagious disease; contact-free.Please stay in touch with me / In this contactless society / Anywhere that you may be — 2025 •Happening without physical contact at the point of sale.TfL has been saying for a few years that Oyster will eventually be withdrawn, but not until contactless payments can offer railcard discounts. — 2019 •That has no contact or contacts. noun1 •A technology for paying for goods etc. while physically present at the point of interaction but without the need for physical contact.Even before the coronavirus struck, contactless was starting to become our way of life, our active choice. — 2020