HARDBOUND Synonyms

• requiring full use of your abilities or resources

• stimulating interest or thought

• disturbingly provocative

• not easy; requiring great physical or mental effort to accomplish or comprehend or endure

• hard to control

• characterized by effort to the point of exhaustion; especially physical effort

• firm in purpose or belief; characterized by firmness and determination

• characterized by quickness and firmness

• tenaciously unwilling or marked by tenacious unwillingness to yield

• not responding to treatment

• not given to gentleness or sentimentality

• physically toughened

• resistant to cutting or chewing

• 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

• very difficult; severely testing stamina or resolution

• substantially made or constructed

• violent and lawless

• feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')

• unfortunate or hard to bear

• making great mental demands; hard to comprehend or solve or believe

• a book with cardboard or cloth or leather covers

• having a hard back or cover

• having a hard back or cover