someone who learned to fight in the streets rather than being formally trained in the sport of boxing;
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";
substantially made or constructed; "sturdy steel shelves"; "sturdy canvas"; "a tough all-weather fabric"; "some plastics are as tough as metal";
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";
unfortunate or hard to bear; "had hard luck"; "a tough break";
tough to cut or chew;
physically toughened; "the tough bottoms of his feet";
not given to gentleness or sentimentality; "a tough character";
violent and lawless; "the more ruffianly element"; "tough street gangs";
