REMEDIAL

[adjective] [formal]A remedial action is one which is intended to correct something that is wrong or to improve a bad situation.The report stated that cigarette smoking was a health hazard of sufficient importance to warrant appropriate remedial action.(formal) Remedial exercises are ones which are intended to improve someone's health when they are ill.(UK and ANZ) Remedial teaching/lessons are intended to help people who have difficulties in reading or writing.He's been having remedial lessons and is now starting to read.She is a teacher of remedial English.