thorough-

English

Alternative forms

• through- (used before a vowel)

Etymology

A variant of through-, common in 16th-19th centuries, particularly where there is a perceived connection with thorough “thorough-”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000..

Prefix

thorough-

1. (no longer productive) through, passing via

   thoroughfare, thoroughgo, thoroughlane

2. (no longer productive) fully, completely; purely

   thoroughgoingly, thoroughbreed, thoroughpaced

Synonyms

• (via): dia-
• (fully): per-

Related terms

English terms prefixed with thorough-

thoroughfare

thoroughgo

thoroughpass

thoroughway

• thoroughbrace
• thoroughpin

terms derived from thorough- relating to via

• thoroughfare
• thoroughgo
• thoroughlane
• thoroughpass
• thoroughwax
• thoroughway
• thoroughwort

terms derived from thorough- relating to fully

• thoroughbred
• thoroughbredness
• thoroughbreed
• thoroughgoing
• thoroughgoingly
• thoroughgoingness
• thoroughly
• thoroughness
• thoroughpaced
• thoroughsped
• thoroughstitch
• thorough-stitch