chibouk or chibouque /chi-bŭkˈ/

A long straight-stemmed Turkish tobacco pipe

• tough as old boots
• toughen
• toughened
• toughener
• tougheners
• toughening
• toughenings
• toughens
• tougher
• toughest
• tough going
• tough guy
• tough guys
• toughie
• toughies
• toughish
• tough it out
• tough love
• tough loves
• tough luck
• toughly
• tough-minded
• tough-mindedness
• toughness
• toughnesses