remedial

1 ENTRIES FOUND:
remedial /rɪˈmiːdijəl/ adjective
remedial
/rɪˈmiːdijəl/
adjective
Britannica Dictionary definition of REMEDIAL
1 
a  : done to correct or improve something : done to make something better
b  : done to cure or treat someone
2 
: involving students who need special help to improve in a particular subject