inadvisable
adjective /ˌɪnədˈvaɪzəbl/
  /ˌɪnədˈvaɪzəbl/
 [not usually before noun] (formal)- inadvisable (for somebody) (to do something) not sensible or wise; that you would advise against
- It is inadvisable to bring children on this trip.
 - It was thought highly inadvisable for young women to go there alone.
 
Oxford Collocations Dictionaryverbs- be
 - seem
 - become
 - …
 
- highly