Thorough \Thor"ough\, prep. [See Through.]

Through. [Obs.]

--Spenser. Shak.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Thorough \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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Thorough \Thor"ough\, adv.

1. Thoroughly. [Obs. or Colloq.]

--Chaucer.

2. Through. [Obs.]

--Shak.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Thorough \Thor"ough\, n. A furrow between two ridges, to drain off the surface water. [Prov. Eng.]

--Halliwell.

Source: Webster's Revised Unabridged Dictionary (1913)