inconclusive

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UK/ˌɪnkənˈkluːsɪv/UK[ˌɪŋkəŋˈkluːsɪv]Canada, US/ˌɪnkənˈklusɪv/Canada, US[ˌɪŋkəŋˈklusɪv]

adjective

Not conclusive, not leading to a conclusion.

Opposite
Less commonScrabble 19

Meanings

adjectiveinconclusive (comparative more inconclusive, superlative most inconclusive)

comparative more inconclusive · superlative most inconclusive · alternative nonconclusive

  1. Not conclusive, not leading to a conclusion.

    despite preliminary evidence of heightened vulnerability to PTSD in autistic individuals (Hoover, 2015; Kildahl et al., 2020), research is inconclusive as to whether there is a stronger association between PTSD and adverse health outcomes for autistic, relative to non-autistic individuals.

    2025 May 17, Emily Hotez, Rebecca K. Tsevat, Sha Tao, Jenny Mai Phan, Philip Smith, Tammy Shen, Jonas Ventimiglia, Liliana Rivera, Hailey Kissner, Lisa A. Croen, Lindsay Shea, “Autism, Obesity, and PTSD Among Adolescents and Young Adults: An Analysis of National Medicaid Claims Data”, in Journal of Autism and Developmental Disorders, →DOI
    2 more examples

    Chofen is an unusually small hydrogen-helium gas giant, with traces of sulphur and hydrocarbons in the atmosphere. The Alliance surveyor ship Ibn Battuta provided inconclusive evidence of hydrocarbon life in the atmosphere (over 1000 meters below the cloud tops), where pressure compresses Chofen's hydrogen into a liquid state.

    2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Chofen planetary description

    He met Luis Suarez's cross at the far post, only for Chelsea keeper Petr Cech to show brilliant reflexes to deflect his header on to the bar. Carroll turned away to lead Liverpool's insistent protests that the ball had crossed the line but referee Phil Dowd and assistant referee Andrew Garratt waved play on, with even a succession of replays proving inconclusive.

    2012 May 5, Phil McNulty, “Chelsea 2-1 Liverpool”, in BBC Sport

    Synonyms: indecisive

Synonyms & antonyms

adjectiveNot conclusive, not leading to a conclusion.

Similar

More synonyms by meaning

adjectivenot conclusive; not putting an end to doubt or question

Opposite

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Italic*n̥-
  4. Latinin-
  5. Middle Englishin-
  6. Englishin-
  7. Englishconclusive
  8. Englishinconclusive

From in- + conclusive.

Full word history & related roots →

Translations

Bulgarian неубедителен
  • неубедителен (neubeditelen)not leading to a conclusion
Dutch niet beslissend, niet overtuigend
  • niet beslissendnot leading to a conclusion
  • niet overtuigendnot leading to a conclusion
  • niet afdoendnot leading to a conclusion
  • onduidelijknot leading to a conclusion
  • weifelendnot leading to a conclusion
Esperanto malcerta, senkonkluda
  • malcertanot leading to a conclusion
  • senkonkludanot leading to a conclusion
Finnish epäselvä, epävarma
  • epäselvänot leading to a conclusion
  • epävarmanot leading to a conclusion
  • tulokseton (resultless)not leading to a conclusion
French pas concluant
  • pas concluantnot leading to a conclusion
German aussagefähig, aussagekräftig
  • aussagefähignot leading to a conclusion
  • aussagekräftignot leading to a conclusion
  • lassen nicht den Schluss zu …not leading to a conclusion
  • erlauben keine eindeutige Schlussfolgerungnot leading to a conclusion
Polish niejednoznaczny, nieostateczny
  • niejednoznacznynot leading to a conclusion
  • nieostatecznynot leading to a conclusion
  • nierozstrzygającynot leading to a conclusion
Cite this entry
APA

inconclusive. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/inconclusive

MLA

“inconclusive.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/inconclusive. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “inconclusive,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/inconclusive.

Source: inconclusive on Wiktionary, CC BY-SA 4.0.