Definition of irrationalize in English:

irrationalize

(British irrationalise)

Pronunciation /iˈraSH(ə)nəˌlīz/ /ɪˈræʃ(ə)nəˌlaɪz/

transitive verb

[with object]
  • Cause to seem irrational.

    • ‘they learned about the way emotions irrationalize supposed rational processes’