Read the dictionary definition of remain. All definitions for this word.
1. stay the same; remain in a certain state
1. The dress remained wet after repeated attempts to dry it
2. rest assured
3. stay alone
4. He remained unmoved by her tears
5. The bad weather continued for another week
2. be left; of persons, questions, problems, results, evidence, etc.
1. There remains the question of who pulled the trigger
2. Carter remains the only President in recent history under whose Presidency the U.S. did not fight a war
3. continue in a place, position, or situation
1. After graduation, she stayed on in Cambridge as a student adviser
2. Stay with me, please
3. despite student protests, he remained Dean for another year
4. She continued as deputy mayor for another year
4. stay behind
1. The smell stayed in the room
2. The hostility remained long after they made up
See also:
Merriam-Webster definition of remain