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Contactless

adj, noun

Adjective

1
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. not-comparable, usually
"Contactless commerce, of which Amazon Go is at the extreme end, was of course already by the autumn of 2019 a growing trend, what with increasing numbers of self-checkout counters and websites and apps that allowed us to have everything from groceries to pet supplies to prescription medication delivered right to our doorsteps."
2
That does not use or require contact in order to happen or operate.; Happening without physical contact at the point of sale. not-comparable
"TfL has been saying for a few years that Oyster will eventually be withdrawn, but not until contactless payments can offer railcard discounts."
3
That has no contact or contacts. not-comparable

Noun

1
A technology for paying for goods etc. while physically present at the point of interaction but without the need for physical contact. uncountable
"The motivation for using contactless is clear: it is most popular for people in a rush (58 per cent), people with a queue behind them (30 per cent) and those in busy places with lots of people (26 per cent)."

Etymology 1

From contact + -less.

Etymology 2

From contact + -less.

Unscramble this word: contactless