Webster’s Revised Unabridged Dictionary · 1913
Thorough
Thor′ough (thŭr′ō), prep. [See Through.] Through. [Obs.] Spenser. Shak.
Thor′ough, a. 1. Passing through; as, thorough lights in a house. [Obs.]
2. Passing through or to the end; hence, complete; perfect; as, a thorough reformation; thorough work; a thorough translator; a thorough poet.
Thor′ough, adv. 1. Thoroughly. [Obs. or Colloq.] Chaucer.
2. Through. [Obs.] Shak.
Thor′ough, n. A furrow between two ridges, to drain off the surface water. [Prov. Eng.] Halliwell.