Inklingo

How to Say "i fail" in Spanish

The most common Spanish word fori failis fallouse 'fallo' when you mean 'I do not succeed' or 'I am unsuccessful' in a general sense, such as in an exam, a task, or a project.

English → Spanish

fallo

fá-yoˈfa.ʎo

verbA1general
Use 'fallo' when you mean 'I do not succeed' or 'I am unsuccessful' in a general sense, such as in an exam, a task, or a project.
A small figure looking dejected and sitting next to a short hurdle they failed to jump over, illustrating the concept of failure.

Examples

Si no estudio, fallo el examen.

If I don't study, I fail the exam.

Cuando intento hacer esa receta, siempre fallo en el último paso.

When I try to make that recipe, I always fail at the last step.

Nunca fallo a mis amigos.

I never let my friends down (or: I never fail my friends).

Simple Regular Verb

'Fallar' is a standard '-ar' verb, meaning it follows the most common conjugation patterns, making it easy to learn.

Using 'Fallo' for 'I miss a person'

Mistake:I miss my mother: 'Yo fallo a mi madre.'

Correction: Use 'extrañar' or 'echar de menos' when you miss a person. 'Fallo' is for missing a target, a mark, or failing an attempt.

trueno

TWAY-nohˈtɾweno

verbB1slang
Use 'trueno' only in specific regions where it's used informally as slang to mean 'to fail' a test or exam.
A large drum being hit with mallets, showing vibration lines to represent a loud booming sound.

Examples

Yo trueno mis dedos cuando estoy nervioso.

I snap my fingers when I am nervous.

Si no estudio, trueno en el examen de mañana.

If I don't study, I'll fail tomorrow's exam.

Yo no trueno la dinamita, lo hace el experto.

I don't detonate the dynamite, the expert does it.

The O to UE Change

This verb is a 'boot verb.' The 'o' in the root changes to 'ue' in all forms except 'we' (nosotros) and 'you all' (vosotros).

Spelling Error

Mistake:Yo trono mis dedos.

Correction: Yo trueno mis dedos. Remember that 'tronar' changes to 'trueno' in the present tense.

Confusing 'fallo' with 'trueno'

Learners often mistakenly think 'trueno' is a general Spanish word for 'to fail'. Remember that 'trueno' primarily means 'to thunder' or, in specific slang contexts, to fail an exam. For any general sense of failing or not succeeding, 'fallo' is the correct and universally understood term.

Learn Spanish with Inklingo

Interactive stories, personalized learning, and more.