buttonless

American  

[buht-n-lis] / ˈbʌt n lɪs /

adjective

1. having no button or buttons. button.

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Etymology

Origin of buttonless

First recorded in 1645–55; button + -less

Example Sentences

Some shops have buttonless touchscreen card readers, meaning you need sight to tap in your PIN.

From BBC

Between the new aesthetic and revamped buttonless controls, Sennheiser is obviously playing follow the leader with Sony.

From The Verge

Image: Volvo While plenty of EVs from more traditional automakers like Ford, Hyundai, and Toyota have push-button start, there are signs that the buttonless startup could already be trickling down; Volvo’s XC40 Recharge automatically turns itself on and off, and while Volkswagen’s ID 4 has a start / stop button, using it is completely optional according to the car’s manual.

From The Verge

But I loved it despite its flawed, buttonless design.

From The Verge

The thing that sold me on the Ploopy was the Nano, a tiny, buttonless trackball with a 1.5-inch snooker ball that fit right in between the two halves of my split keyboard.

From The Verge