Definition

1. Verb:
   • To attach something to a vertical surface, typically using a pin or similar fastener: The action of securing an object, often a piece of paper like a picture or notice, to a wall, bulletin board, or other upright surface so that it is displayed.
   • To display by fastening in a prominent place: This usage emphasizes the purpose of showing the attached item to others.

Usage Examples

• Verb:
  • She decided to pin up the poster in her room. (She attached the poster to her room's wall for display.)
  • Please pin up this memo on the noticeboard for everyone to see. (Please attach this memo to the noticeboard so it is visible to all.)
  • He pinned up the children's drawings on the refrigerator. (He fastened the children's drawings to the refrigerator door.)

Advanced Usage

• "To be pinned up": Describes the state of something that has been attached.
  • The announcement was pinned up in the hallway. (The announcement was attached and displayed in the hallway.)

Variants and Related Words

• Pinup (noun): A picture, especially of an attractive person, designed to be pinned up on a wall. (Note: This is a compound noun derived from the phrasal verb).
  • The magazine featured a famous pinup from the 1950s.
• Pinned (adjective): The past participle form, often used to describe the state.
  • The pinned-up map showed all the locations.

Synonyms

• Attach: To fasten or join one thing to another.
• Post: To display a notice or announcement in a public place.
• Tack up: To fasten with a tack or pin (very similar in meaning).

Related Phrasal Verbs

• Pin down: To force someone to be specific or make a decision; or to physically restrain.
  • We need to pin down the exact date for the meeting.
• Pin on: To attribute responsibility or blame to someone.
  • They tried to pin the crime on an innocent man.

Related Idioms

• Pin your hopes on someone/something: To rely completely on someone or something for success.
  • Don't pin all your hopes on winning the lottery.
• Pin money: A small amount of extra money for personal expenses.
  • She earns a little pin money by babysitting.

Verb

1. attach with or as if with a pin
   • pin up a picture