IRRATIONAL


Meaning of IRRATIONAL in English

[adjective] - not using reason or clear thinkingIt's totally irrational, but I'm frightened of mice.The irrational consumer is one who fails to respond to a cheap price even when goods are identical in all other respects.His parents were worried by his increasingly irrational behaviour.

Cambridge English vocab.      Кембриджский английский словарь.