Word.ws English Dictionary

thorough-

thorough- prefix: through, passing via.

Prefix

thorough-

  1. (idiomatic) through, passing via
    • thoroughfare, thoroughgo, thoroughlane
    Synonyms:
    dia-
  2. (idiomatic) fully, completely; purely
    • thoroughgoingly, thoroughbreed, thoroughpaced
    Synonyms:
    per-

Synonyms of thorough-

Forms of thorough-

alternative formthrough-

Origin of thorough-

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..

Questions about thorough-

What does thorough- mean?
Thorough- means through, passing via.
What part of speech is thorough-?
Thorough- is a prefix.

Words near thorough- in the dictionary

  1. thorons
  2. thorosteenstrupine
  3. thorosteenstrupines
  4. thorotrast
  5. thorough
  6. thorough-
  7. thorough-going
  8. thorough-paced
  9. thorough-stitch
  10. thoroughbass
  11. thoroughbasses

Source and license

Adapted from Wiktionary: thorough- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “thorough-.” Word.ws, https://word.ws/thorough-. Based on Wiktionary, CC BY-SA 4.0.