Pin Down — synonyms, definition

1. pin down (Verb)

nail down narrow narrow down peg down pin up specify trap

pin down (Verb) — Define clearly. ex. "I cannot pin down the rules for this game"

pin down (Verb) — Place in a confining or embarrassing position. ex. "He was pinned down in a difficult situation"

pin down (Verb) — Attach with or as if with a pin. ex. "pin down a picture"

attach confine detain determine concretise concretize