Unheard of

adj

Definitions

Adjective
  1. 1
    Alternative spelling of unheard-of (used as predicative) alt-of, alternative, not-comparable

    "Such was the station provided for the infrequent services of 1852, when suburban traffic was unheard of, and Hornsey, Colney Hatch & Southgate, Barnet, and Potters Bar were the only intermediate stations on the 17¾ miles between London and Hatfield."

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