·adv Through.
II. Thorough ·prep Through.
III. Thorough ·adv Thoroughly.
IV. Thorough ·adj Passing through; as, thorough lights in a house.
V. Thorough ·noun A furrow between two ridges, to drain off the surface water.
VI. Thorough ·adj Passing through or to the end; hence, complete; perfect; as, a thorough reformation; thorough work; a thorough translator; a thorough poet.