One of these buttons has come undone.undoneun‧done /ˌʌnˈdʌn◂/ ●●○ adjective [not before noun] 
Your zip’s undone. One of these buttons has come undone.2not finished: The washing-up had been left undone.3old use destroyed and without hope: In the end, Othello is undone by his jealousy.
EXAMPLES FROM THE CORPUS
- It should not be too difficult, she thought, to allow one of those buttons to become undone.
- Left alone, Shae looked down at her own undone clothing and partly naked body, and shame burned within her.
- Nothing is left undone, nothing left to chance.
- Now knights no longer come everyday, and the good deeds are left undone.
- She followed his eyes downwards and cringed inwardly when she realised the top buttons of her shirt had come undone.
- Then she felt something on her arm and discovered her scarf had come undone.
- They remain friends, though she is quick to be petulant over telephone messages left unanswered and favours left undone.
COLLOCATIONS FROM THE ENTRY One of these buttons has come undone. The washing-up had been left undone.COLLOCATIONS FROM OTHER ENTRIES So much had been left undone.
One of these buttons has come undone. The washing-up had been left undone. So much had been left undone.PHRASES FROM OTHER ENTRIES
- As she reached the doors they came open, the button pressed by two people outside.
- His heart felt it would come loose in his body, so wildly was it beating.
- Some ropes had come loose and were swinging wildly in the wind.
- Then she felt something on her arm and discovered her scarf had come undone.
- Then sprinkle on water and re-trowel in come loose-use an emulsion paint brush.
- Think of all the things that come loose around the house.
- When the Thayer principalship came open in the summer of 1981, Littky applied and reentered the educational world.
WORD FAMILYverbdooutdooverdoredoundonoundeed ≠ misdeeddodoingadjectivedoneoverdoneundone
1not fastened: Your zip’s undone. One of these buttons has come undone.2not finished: The washing-up had been left undone.3old use destroyed and without hope: In the end, Othello is undone by his jealousy.