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Use "buttonless" in a sentence
"I bid, I posted, I linked, but I am a technological idiot, and so remain buttonless."
"It carries the same rounded chiclet keys and a trackpad that runs to the lip, in this case using a MacBook-style "buttonless" design that clicks the pad itself."
"Although the design is "buttonless" the main outer shell flexs inwards reasonably positively as does the top part of it."