How to Say "irrational" in Spanish
The Spanish word for “irrational” is “irracional” — B1 level. This is a very common word in everyday Spanish.
Examples
Tengo un miedo irracional a las arañas.
I have an irrational fear of spiders.
Fue una decisión irracional tomada bajo presión.
It was an irrational decision made under pressure.
No intentes razonar con él cuando está tan irracional.
Don't try to reason with him when he's being so irrational.
One Form for Everyone
This word doesn't change its ending for men or women. Whether you describe a 'hombre' or a 'mujer', it's always 'irracional'.
Making it Plural
To talk about more than one thing, simply add '-es' at the end: 'irracionales'. This is a standard rule for Spanish words ending in the letter 'l'.
The 'Irracionala' Error
Mistake: “La idea es irracionala.”
Correction: La idea es irracional. Words ending in 'l' in Spanish almost never change to 'a' for feminine things.
Other Meanings of “irracional”
“irracional” can also mean:
- mathematical numbers that cannot be written as simple fractions(B2, formal)
Related Translations
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