toughest

词形变化：

副词: toughly | 形容词比较级: tougher | 形容词最高级: toughest | 名词: toughness |

同义词：

strong | sturdy | hard | durable | difficult | rough | exacting | firm | chewy | stringy | threatening | dangerous | demanding | severe | hardy | strict | vague | rigid | obscure | complicated | unclear | ruffian | harsh | hoodlum | stony | hearty | tenacious | resistant | drastic | gangster | wicked | sinewy | careless | manly | troublesome | stiff | painful | iron | criminal | wiry | proof | yob | hood | elusive | bully | roughneck | yobo | thug | toughie | problematical | goon | bad | baffling | ruffianly | rowdy | punk | hooligan | rugged | problematic | knotty | toughened | strong-armer | yobbo |

反义词：

tender |