The theory is based on thorough research.
Source: tatoeba (43488)
Thorough
/ˈθʌɹə/
Synonyms for "thorough" (410 found)
Ranked by relevance and common usage.
Closest matches (82)
Adjective(32 words)
completeexhaustiveaccurate understandingarrantcareful analysiscareful approachcareful attemptcareful chemical manipulationscareful energy data valuescareful irrigationscareful microscope observationcareful observationcareful observation journalcareful readingcarefullercarefullestcircumstantialclose reading strategyclose studycomplete accuracy
Show 12 more words
complete objectcomplete overhaulcomplete searchcomplete structurecompleted statuscomprehensivecomprehensive body of lawcomprehensive datacomprehensive instructioncomprehensive medical historycomprehensive scopecomprehensive theme plan
absoluteall embracingall outall pervadingall-embracingall-encompassingall-inclusiveall-outall-pervadingamplearrantassiduousblow-by-blowbornbroad-basedcannycarefulcautiouschroniccircumspect
Show 7 more words
Adjective(2 words)
across-the-boardcomprehensive
Noun(21 words)
admirable effortbe carefulbeing carefulburrowingca completcareful decisioncareful examinationcatalan totalcloseclose friendcloseupcompcomplete animalcomplete answercomplete beingscomplete controlcomplete detailscomplete enumerationcomplete mandatory assignmentcomplete understanding
Show 1 more word
comprehensive review
Strong matches (123)
Adjective(44 words)
comprehensive viewconsummatecopiousdeep analysisdeep investigationdeep leveldeeperdeliberate behaviordeliberate decisiondeliberate literacy curriculumdetailed accountdetailed descriptiondetailed explanationdetailed life historydetailed medical historydetailed noticingdetailed observationsdetailed orderdetailed treatisedisciplined study
Show 24 more words
double-dyedelaborate descriptionentire-bodiedeverlastingexhaustive listingexplicit instructionextensive empirical evidenceextensive monographextensive propertyextensive research evidenceextra detailfullfull answerfull circlefull completionfull coursefull coveragefull scalefull scanfullestfulsomegrossintimate detailsintimate friend
confirmedcongenitalconscientiousconsummatecrassdeaddecideddeep dyeddeep rooteddeep seateddeep-dyeddeep-fixeddeep-rooteddeep-seateddeep-setdeep-settleddefinitivedeliberatedetaileddiligent
Show 34 more words
Noun(23 words)
coveringcurrycombingdanish systematiskdeepdeep-sea expeditiondeepeningdetailed future plansdetailing processdissectingdrenchingelaborate instructionselaborate materialsentire-body examinationexcavatingexhaustive searchexplicit purposeextensive archaeological recordfull scale launchfull-body checkgreat vigor
Show 3 more words
Verb(2 words)
Related words (205)
intolerableinveterateirreversibleitemizedjudiciouslaboriousleaving out nothinglong establishedlong-establishedmethodicalmeticulousmindfulminutenoncommittalomnibusomnipresenton guardoperoseout-and-outoutright
Show 78 more words
overlooking no possibilitypainfulpainstakingparticularparticularizedpawkyperfectpervasiveplainplumbpolishedpoliticpositivepreciousprofessionalprofoundpronouncedproperprudentpukkapureradicalrankregardfulregularrightrigidrootedsafescientificscrupulousseduloussetsettledsettled in habitshatteringsheershockingslow to actsolidstarkstark-staringstraightstrictstudioussuperlativesurpassingsweepingtentativethe veriestthoroughgoingthrough and throughthrough-and-throughtotalubiquitousunadventurousunalloyedunbearableuncommunicativeunconditionalunconscionableundaringundeniableundilutedunenterprisingunequivocaluniversalunmitigatedunmixedunprecipitateunqualifiedunrelievedunreservedunrestrictedunspoiledutterveritablewholesale
Noun(37 words)
inventory listingskoodoolab qualitymaster disconnectmicroscope-based observationminute observationminutermore completemore developedmost solidmost systematicno more dataorganized notesprecise measurementpreplanningprobingradical organizingrank studentsreaction accountingrepleting
Show 17 more words
rigorous physicsrigorous studyrigorous thinkingscience notebook observationscouringscrutinizingscrutinizing eyesearchingsystematic analog history studythoughttip to tail additiontrompingunabridgedsutter nonentitywell maintained recordswhole-body assessment protocolyeoman
Adjective(61 words)
logical organizationmethodical approachmethodical proceduremeticulous plannermetódicomicroscopicmicroscopic analysismicroscopic slidemicroscopic structuremicroscopic viewmicroscopic worldmicroscopical examinationminute detailsorderly arrangementperfectperfect totalplanfulpreciseprecise definitionprecise energy value
Show 41 more words
precise measureprecise rulepurerigorous analysisrigorous approachrigorous argumentrigorous corroborationrigorous inferencerigorous reasoningrigorous sciencerobustrobust datascientific evidencesoddingsolid approachsolid argumentsolid chunkssolid contentssolid mattersolid partstaringstarkstrong commitmentstrong language trainingstudioussubstantive feedbacksystematic analysissystematic data collectionsystematic lesson planssystematic methodsystematic observationsystematic reviewthoroughgoingunabridged playunadulteratedunhurriedunsparinguttervigilantvigorousvigorous presentation
Adjective(6 words)
Verb(2 words)
studiedstudied current events
Determiner(1 words)
the entire data set
Choosing the right synonym
- Closest matches in this entry: complete, exhaustive, absolute, accurate understanding, across-the-board.
- Sentence evidence is available for thorough, so synonym choice can be checked against real usage rather than a flat word list.
- Ranking signals come from wordnet, opengloss, moby, derived_reverse, and related lexical sources.
Synonym selection checklist
- Match the part of speech before comparing meanings.
- Check whether the synonym changes intensity, formality, or emotional tone.
- Read the replacement inside the full sentence, not just beside "thorough".
- Prefer the clearest word over the most unusual word when writing for speed or comprehension.
When not to replace "thorough"
Keep "thorough" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Replacement workflow
1. Preserve meaning
Choose a synonym only if it keeps the core idea of "thorough" intact in the sentence you are editing.
2. Tune tone
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
3. Re-read context
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
Final fit check
After choosing a replacement for "thorough", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "thorough" or choose a simpler alternative from the closest-match group.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
4 entriesMore specific
8 entriescomprehensive reviewdetailed analysisexhaustive studythorough checkingthorough editingthorough inspectionthorough preparationthorough revision
Collocations
6 entriesthorough explanationthorough investigationthorough planningthorough reviewthorough studythorough understanding
Inflections
2 entriesmore thoroughmost thorough
Derivations
3 entriessimilar
3 entriesSample sentences
19 total sentences available.
The hypothesis is based on the thorough experiments.
Source: tatoeba (49414)
I recommend a thorough checkup for your husband.
Source: tatoeba (54446)
That fellow is a thorough fool.
Source: tatoeba (71985)
Showing 4 of 19 available sentences.
Common questions
What are the closest synonyms for "thorough"?
Closest matches include complete, exhaustive, absolute, accurate understanding, across-the-board.
How should I check whether a synonym fits "thorough"?
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.