- extremely thorough
- (usually prenominal) absolute; complete: thoroughgoing incompetence
WordReference Random House Learner's Dictionary of American English © 2026
thor•ough•go•ing /ˈθɜroʊˌgoʊɪŋ, -əˌgoʊ-, ˈθʌr-/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- doing things thoroughly.
- carried out to the full;
thorough:a thoroughgoing investigation. - utter;
unqualified:[before a noun]a thoroughgoing fool.
thor•ough•go•ing
(thûr′ō gō′ing, -ə gō′-, thur′-),USA pronunciation adj.
thor′ough•go′ing•ly, adv.
thor′ough•go′ing•ness, n.
- doing things thoroughly.
- carried out to the full extent;
thorough. - complete;
unqualified:a thoroughgoing knave.
- thorough + going 1810–20
thor′ough•go′ing•ness, n.
Collins Concise English Dictionary © HarperCollins Publishers::
thoroughgoing /ˈθʌrəˌɡəʊɪŋ/ adj
'thoroughgoing' also found in these entries (note: many are not synonyms or translations):
audit
- out-and-out
- profound
- radical
- straight-out
- thoroughpaced
- arrant
- Copernican
- flat-out
- out-and-outer
- permutation
- regular
- straight
- strong