Dictionary and Thesaurus

Definition of Pin Down

• (verb) define clearly; "I cannot narrow down the rules for this game"
• (verb) attach with or as if with a pin; "pin up a picture"
• (verb) place in a confining or embarrassing position; "He was trapped in a difficult situation"

Synonyms of Pin Down

• Peg Down
• Nail Down
• Narrow Down
• Narrow
• Specify
• Trap
• Pin Up

Antonyms of Pin Down

Homophones of Pin Down