Stay (6)
'stay' is the definition.
(I know that stay is a more specific form of remain)
This is all the clue.
(Other definitions for remain that I've seen before include "stop behind?" , "Stay or continue to be" , "Don't leave (the EU?)" , "Survive" , "Stay (in position)" .)
'stay' is the definition.
(I know that linger is a more specific form of stay)
This is the entire clue.
(Other definitions for linger that I've seen before include "Hang back awhile" , "Remain for long" , "'Loiter, delay leaving (6)'" , "Hang about, don't be in a hurry to go" , "Dally, stay on" .)