indemonstrable

American  

[in-di-mon-struh-buhl, in-dem-uhn-] / ˌɪn dɪˈmɒn strə bəl, ɪnˈdɛm ən- /

adjective

1. not demonstrable; incapable of being demonstrated or proved.

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indemonstrable British  

/ ˌɪndɪˈmɒnstrəbəl /

adjective

1. incapable of being demonstrated or proved

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Other Word Forms

• indemonstrability noun
• indemonstrableness noun
• indemonstrably adverb

Etymology

Origin of indemonstrable

First recorded in 1560–70; in- ³ + demonstrable

Example Sentences

Reason would be unable to satisfy her own requirements, if she passed from a causality which she does know, to obscure and indemonstrable principles of explanation which she does not know.

From The Critique of Pure Reason by Meiklejohn, John Miller Dow

But that all dreams are to be interpreted bisexually, seems to me to be a generalization as indemonstrable as it is improbable, which I should not like to support.

From Dream Psychology Psychoanalysis for Beginners by Freud, Sigmund

Wherefore in speculative matters a demonstrative science is said to exercise judgment, in so far as it judges the truth of the results of research by tracing those results back to the first indemonstrable principles.

From Summa Theologica, Part II-II (Secunda Secundae) Translated by Fathers of the English Dominican Province by Thomas, Aquinas, Saint

Like all ultimate postulates it is indemonstrable; Mill's derivation of it from Experience did not amount to a demonstration.

From Logic, Inductive and Deductive by Minto, William

But wisdom draws conclusions from indemonstrable principles which are the object of the virtue of understanding, even as other sciences do.

From Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition by Thomas, Aquinas, Saint