Part of speech: noun

A fortress; stronghold.

Part of speech: noun

The state of being fast.

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Usage examples "fastness":

  1. Bertie had been safe in his mountain fastness, until her ill- starred advertisement coaxed him within reach of the police Briareus. - "At the Mercy of Tiberius", August Evans Wilson.
  2. The Britons assailed them in this fastness, and so long as it was day, harassed them with arrows and quarrels, with ships and with barges. - "Arthurian Chronicles: Roman de Brut", Wace.
  3. Once in his mountain fastness, he was perfectly secure, as no Spanish army would trust itself in the rocky range. - "Our War with Spain for Cuba's Freedom", Trumbull White.