[ thur-oh-goh-ing, -uh-goh-, thuhr- ]
See synonyms for thoroughgoing on
  1. doing things thoroughly.

  2. carried out to the full extent; thorough.

  1. complete; unqualified: a thoroughgoing knave.

Origin of thoroughgoing

First recorded in 1810–20; thorough + going

Other words from thoroughgoing

  • thor·ough·go·ing·ly, adverb
  • thor·ough·go·ing·ness, noun

Words Nearby thoroughgoing Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use thoroughgoing in a sentence

  • Malthus was not a thoroughgoing supporter of the 'do-nothing' doctrine.

  • We are not even sure that, in a thoroughgoing civic catastrophe, Dr. Straton would escape.

    Seeing Things at Night | Heywood Broun
  • It was called then the Charles Street gang, and none but the thoroughgoing cared to belong to it.

    Endymion | Benjamin Disraeli
  • The men were a fine lot, and such thoroughgoing Americans, no matter from what country their parents had come.

    War in the Garden of Eden | Kermit Roosevelt

British Dictionary definitions for thoroughgoing


/ (ˈθʌrəˌɡəʊɪŋ) /

  1. extremely thorough

  2. (usually prenominal) absolute; complete: thoroughgoing incompetence

Derived forms of thoroughgoing

  • thoroughgoingly, adverb
  • thoroughgoingness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012