- (prep.) Through.
- (adv.) Through.
- (a.) Passing through; as, thorough lights in a house.
- (n.) A furrow between two ridges, to drain off the surface water.
- (adv.) Thoroughly.
- (a.) Passing through or to the end; hence, complete; perfect; as, a thorough reformation; thorough work; a thorough translator; a thorough poet.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). thorough. Retrieved September 20, 2026, from http://smartdefine.org/thorough/definitions/2072220 |
| Chicago | Webster's. 2011. "thorough" http://smartdefine.org/thorough/definitions/2072220 (accessed September 20, 2026). |
| Harvard | Webster's 2011, thorough, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/thorough/definitions/2072220>. |
| MLA | Webster's. "thorough" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/thorough/definitions/2072220> |