indubitable

adj, noun — 2 senses

indubitable

adj

UK /ɪnˈdjuːbɪtəbəl/ · US /ɪnˈdubɪtəbəl/

Etymology Either from French indubitable or Latin indubitābilis. By surface analysis, in- + dubitable.

1

Clearly true; providing no possibility of doubt.

The indubitable effect of the potion convinced many nonbelievers.

Synonyms: undoubtable
Derived terms: indubitableness, indubitably

indubitable

noun

Etymology Either from French indubitable or Latin indubitābilis. By surface analysis, in- + dubitable.

1

That which is indubitable.

If we build logically upwards from a few indubitables, the whole system must remain correct.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.