Verb (5-dan, す, transitive)
1.  to cure;  to heal
usu. 治す
2.  to fix;  to correct;  to repair
usu. 直す
3.  to do over again
after -masu base of verb; usu. 直す
4.  to replace;  to put back as it was
usu. 直す
5.  to convert (into a different state);  to transform
usu. 直す