contactless

adj

1. (not-comparable, usually)That does not use or require contact in order to happen or operate.

   “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.”

   “Please stay in touch with me / In this contactless society / Anywhere that you may be”

2. (not-comparable)That does not use or require contact in order to happen or operate.

   “TfL has been saying for a few years that Oyster will eventually be withdrawn, but not until contactless payments can offer railcard discounts.”

3. (not-comparable)That has no contact or contacts.

noun

1. (uncountable)A technology for paying for goods etc. while physically present at the point of interaction but without the need for physical contact.

   “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).”

   “Even before the coronavirus struck, contactless was starting to become our way of life, our active choice.”