Sharp Objects with U

• Unicorn horn

  Mythic horn, often depicted as sharp and piercing.

• utility knife
• Urchin

  Sea urchin spines are sharp and can pierce skin.

• underwire

  Bra underwire can be quite sharp when exposed.

• Umbrella tip

  Metal umbrella tip can poke or stab if misused.

• Umbrella point

  Refers to sharp metal tip of an umbrella.

• Ultra sharp knife

  Definitely a sharp cutting knife, no doubt here.

• U knife

  A U-knife is a real cutting tool with a sharp blade.

• unused knife

  A knife is a cutting tool; 'unused' just means brand new.

• Umbrella spoke

  Umbrella spokes are metal rods with sharp tips.

• umbrella spike

  Umbrella spikes are the pointed metal tips at the end.

• used knife

  A knife is sharp by design, used or not.

The words in the list Sharp Objects with U come from players of the word game Categories game.