Meanings
adjectiveirrationable (comparative more irrationable, superlative most irrationable)
comparative more irrationable · superlative most irrationable
- Archaic form of irrational.
- Not rational.
[…] there may be considerable loss of nitrogen due to removal of crops and irrationable methods of farming, […]
1906, Report of the Minister of Agriculture for the Dominion of Canada, for the five months ended March 31, 1906, Department of Agriculture of Canada, page xxxvi - Not possessing rationality.
Operations that are perfected in the economies of the irrationable animals, […]
1860, Robert James Mann, A guide to the knowledge of life, vegetable and animal, revised and corrected edition, page 344
Origin
- Latinirratiōnābilis
- Englishirrationable
From Latin irratiōnābilis, from ir- + ratiōnābilis.
More words from Latin
Full word history & related roots →Cite this entry
APA
irrationable. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/irrationable
MLA
“irrationable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/irrationable. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “irrationable,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/irrationable.
Source: irrationable on Wiktionary, CC BY-SA 4.0.