[ih-rash-uh-nl-ahyz]See more synonyms on Thesaurus.comverb (used with object), ir·ra·tion·al·ized, ir·ra·tion·al·iz·ing.
- to make or cause to be irrational.
Also especially British, ir·ra·tion·al·ise.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for irrationalize
The poor man wants to rationalize the irrational, and irrationalize the rational.
And he wishes, unhappy man, to rationalize the irrational and irrationalize the rational.