- 2Significato: laborioushard severe tough difficultexhausting burdensome fatiguing unendurable
- 3Significato: hoodlumbruiser tough gangster
- 4Significato: brawlertough rough rascal thug
- 5Significato: behaviourresolute stalwart solid toughtenacious unwavering vehement strong
- 6Significato: fibroussinewy tough leathery threadlike stringy
- 7Significato: adhesivesticky clinging viscousglutinous tough tenacious
- 8Significato: strongtough rugged robust muscularsturdy vigourous stalwart athletic
- 9Significato: personhoodlum bruiser gangster tough
- 10Significato: propertyviolent severe savage terribleferocious fierce vigourous tough
- 11Significato: characteristichardened rigid inflexible unyielding uncompromisinghard-line incorrigible troublesome tough
- 12Significato: qualitydurable sturdy hardy tough
- 13Significato: like cow's hornbony hard tough cartilaginous horny