Thorough vs. Throughout — What's the Difference?

In 17th century England, Thorough was a name given by Thomas Wentworth, 1st Earl of Strafford to a scheme of his to establish absolute monarchy in England. Although "Thorough" is largely attributed to Strafford, its implementation can also be accredited to the Archbishop of Canterbury William Laud.

In, to, through, or during every part of; all through

Complete with regard to every detail; not superficial or partial

In or through all parts; everywhere

Exhaustively complete

During the entire time or extent

Painstakingly accurate or careful

In every part of; all through.

Absolute; utter

(obsolete) Completely through, right the way through.

Variant of through.

In every part; everywhere.

Painstaking and careful not to miss or omit any detail.

During an entire period of time, the whole time.

Utter; complete; absolute.

Quite through; from one extremity to the other of; also, every part of; as, to search throughout the house.

(obsolete) Through.

In every part; as, the cloth was of a piece throughout.

A furrow between two ridges, to drain off the surface water.

From first to last;

Through.

Used to refer to cited works

Passing through; as, thorough lights in a house.

Passing through or to the end; hence, complete; perfect; as, a thorough reformation; thorough work; a thorough translator; a thorough poet.

Thoroughly.

Through.

A furrow between two ridges, to drain off the surface water.

Painstakingly careful and accurate;

Very thorough; exhaustively complete;