noun

• A vertical (or nearly vertical) rock face.
• (figurative) A point beyond which something abruptly fails or decreases in value, performance, etc.
• A diminutive of the male given name Clifford or Clifton.
• A surname.
• An unincorporated community and coal town in Floyd County, Kentucky, United States.
• A census-designated place in Grant County, New Mexico, United States.
• A hamlet in North Warwickshire district, Warwickshire, England (OS grid ref SP2198).
• A neighbourhood, The Cliff, in the Metropolitan Borough of Salford, Greater Manchester, England (OS grid ref SD8201).
• A small settlement on the Isle of Lewis, Western Isles council area, Scotland, appearing on OS maps as Cliobh (OS grid ref NB0835).
• (music) Obsolete form of clef. [A symbol found on a musical staff that indicates the pitches represented by the lines and the spaces on the staff [from Template:SAFESUBST: c.]]