tough
Definitions
General English
- adjective difficult to chew or to cut
- adjective requiring a lot of physical effort, or a lot of bravery or confidence
Medical
Slang
- adjective excellent. A vogue term from the early 1990s, applied particularly to music.
- adjective unpleasant, disgusting, ugly, etc. A vogue term of disapproval that originated in the language of black street gangs in the early 1990s and was adopted by other adolescents
Wine
- used to describe a full-bodied wine with an astringent taste due to excess tannin. This will often soften with ageing.
http://www.dictionarycentral.com/definition/tough.html