Thor"ough (?), 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.