tough
noun
someone who learned to fight in the streets rather than being formally trained in the sport of boxing
Synonymsstreet fighteran aggressive and violent young criminal
a cruel and brutal fellow
adjective
not given to gentleness or sentimentality
“a tough character”
Oppositestendervery difficult; severely testing stamina or resolution
“a rugged competitive examination”
“the rugged conditions of frontier life”
Synonymsruggedphysically toughened
“the tough bottoms of his feet”
SynonymstoughenedOppositestendersubstantially made or constructed
“sturdy steel shelves”
“sturdy canvas”
Synonymssturdyviolent and lawless
“the more ruffianly element”
“tough street gangs”
Synonymsruffianlyfeeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')
“my throat feels bad”
“she felt bad all over”
Synonymsbadresistant to cutting or chewing
Oppositestenderunfortunate or hard to bear
“had hard luck”
“a tough break”
Synonymshardmaking great mental demands; hard to comprehend or solve or believe
“a baffling problem”
“I faced the knotty problem of what to have for breakfast”
Source: WordNet 3.1, Princeton University
