incontrovertible

in- +‎ controvertible

• (UK) IPA^(key): /ˌɪŋ.kɒn.tɹəˈvɜː.təbl̩/

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incontrovertible (comparative more incontrovertible, superlative most incontrovertible)

1. Not capable of being denied, challenged, or disputed; closed to questioning.

   Synonyms: indisputable, undeniable, unquestionable

   Antonym: controvertible

   Her statement that Hitler was evil is incontrovertible.

   incontrovertible evidence

   • 1960 November, “Talking of Trains: Through a glass darkly”, in Trains Illustrated, page 642:

     There is incontrovertible evidence that electrification of itself has great publicity value, but this would be greatly enhanced if the public knew in more detail how it would transform their services.

   • 2022 August 7, Coral Davenport; Lisa Friedman, “Five Decades in the Making: Why It Took Congress So Long to Act on Climate”, in The New York Times‎, ISSN 0362-4331:

     All said that the incontrovertible evidence that climate change has already arrived—in the form of frighteningly extreme wildfires, drought, storms and floods afflicting every corner of the United States—has helped build political support.

From in- +‎ controvertible.

• IPA^(key): /inkontɾobeɾˈtible/ [ĩŋ.kõn̪.t̪ɾo.β̞eɾˈt̪i.β̞le]
• Rhymes: -ible
• Syllabification: in‧con‧tro‧ver‧ti‧ble

incontrovertible (plural incontrovertibles)

1. undisputable
   • 2015 July 18, “De los Ríos en el país de los soviets”, in El País‎:

     Tras los dogmas incontrovertibles del nuevo régimen advierte no obstante, sagazmente, el influjo de la ortodoxia religiosa bizantina: el viejo credo de un solo poder y una sola fe.

     (please add an English translation of this quote)

• incontrovertiblemente

• “incontrovertible”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014