Irracional (en. Irrational)
/ir-ra-si-o-nal/
Meaning & Definition
EnglishSpanish
adjective
Not based on reason or logical sense.
His reaction was completely irrational.
Su reacción fue completamente irracional.
Said of a person: One who acts without reason or logic.
It is irrational to trust him after what he did.
Es irracional confiar en él después de lo que hizo.
One that cannot be expressed as a fraction of integers.
The number π is an irrational number.
El número π es un número irracional.
Etymology
From the Latin 'irrationalis', composed of 'in-' (no) and 'rationalis' (rational).
Common Phrases and Expressions
irrational behavior
Attitude that does not follow a logical pattern.
comportamiento irracional
irrational number
A number that cannot be represented as a fraction.
número irracional
irrational decision
A decision made without considering logic or reason.
decisión irracional
Related Words
rational
Based on reason.
racional
logical
That conforms to logic.
lógico
Slang Meanings
Makes no sense.
That argument is completely irrational.
Ese argumento es completamente irracional.
Acting without thinking.
Be careful, your plan seems quite irrational.
Cuidado, tu plan parece bastante irracional.