(~s, ~ing, ~ed)
1.
If something undesirable ~s, it continues to exist.
Contact your doctor if the cough ~s...
These problems ~ed for much of the decade.
VERB: V, V
2.
If you ~ in doing something, you continue to do it, even though it is difficult or other people are against it.
Why does Britain ~ in running down its defence forces?...
He urged the United States to ~ with its efforts to bring about peace...
‘You haven’t answered me,’ she ~ed...
When I set my mind to something, I ~.
VERB: V in -ing, V with/in n, V with quote, V