Main entry: staple
Definition: secure or fasten with a staple or staples
Usage: staple the papers together
Antonyms: unstaple
Definition: take the staples off
Main entry: staple
Definition: necessary or important, especially regarding food or commodities
Usage: wheat is a staple crop
Antonyms: inessential, nonessential
Definition: anything that is not essential
Antonyms: unessential, inessential
Definition: not basic or fundamental