Definitions for tough

(someone who learned to fight in the streets rather than being formally trained in the sport of boxing)

(an aggressive and violent young criminal)

(a cruel and brutal fellow)

(not given to gentleness or sentimentality; "a tough character")

(very difficult; severely testing stamina or resolution; "a rugged competitive examination"; "the rugged conditions of frontier life"; "the competition was tough"; "it's a tough life"; "it was a tough job")

(physically toughened; "the tough bottoms of his feet")

(substantially made or constructed; "sturdy steel shelves"; "sturdy canvas"; "a tough all-weather fabric"; "some plastics are as tough as metal")

(violent and lawless; "the more ruffianly element"; "tough street gangs")

(feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad'); "my throat feels bad"; "she felt bad all over"; "he was feeling tough after a restless night")

(resistant to cutting or chewing)

(unfortunate or hard to bear; "had hard luck"; "a tough break")

(making great mental demands; hard to comprehend or solve or believe; "a baffling problem"; "I faced the knotty problem of what to have for breakfast"; "a problematic situation at home")