To stay behind while others withdraw; to be left after others have been removed or destroyed; to be left after a number or quantity has been subtracted or cut off; to be left as not included or comprised.
To continue unchanged in place, form, or condition, or undiminished in quantity; to abide; to stay; to endure; to last.
There was no food in the house, so I had to remain hungry.
To await; to be left to.
To continue in a state of being.
The light remained red for two full minutes.