[ih-ref-yuh-tuh-buh l, ir-i-fyoo-tuh-buh l] /ɪˈrɛf yə tə bəl, ˌɪr ɪˈfyu tə bəl/
that cannot be refuted or disproved:
impossible to deny or disprove; incontrovertible
1610s, from Latin irrefutabilis “irrefutable,” from assimilated form of in- “not, opposite of” (see in- (1)) + refutabilis, from refutare (see refute). Related: Irrefutably; irrefutability.
1. . 2. . abbreviation 1. irregular(ly) 1. irregular 2. irregularly
[ir-i-gahrd-lis] /ˌɪr ɪˈgɑrd lɪs/ adverb, Nonstandard. 1. . an erroneous word that, etymologically, means the opposite of what it is used to express. Attested in non-standard writing from at least 1870s (e.g. “Portsmouth Times,” Portsmouth, Ohio, U.S.A., April 11, 1874: “We supported the six successful candidates for Council in the face of a strong opposition. […]
[ih-reg-yuh-ler] /ɪˈrɛg yə lər/ adjective 1. without symmetry, even shape, formal arrangement, etc.: an irregular pattern. 2. not characterized by any fixed principle, method, continuity, or rate: irregular intervals. 3. not conforming to established rules, customs, etiquette, morality, etc.: highly irregular behavior. 4. not according to rule, or to the accepted principle, method, course, order, […]
- Irregular astigmatism
irregular astigmatism n. Astigmatism in which different parts of the same meridian have different degrees of curvature.