-ar verb C1 · Advanced

Conjugate fastidiar in Spanish

to annoy

fastidiar is a regular -ar verb ranked #2129 among the most common Spanish verbs. For example: "Me fastidia cuando llegas tarde." (It annoys me when you arrive late.). Use the tables below for full conjugation across all 7 tenses.

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Describes current actions, habits, and general truths. The most frequently used tense — master it first.

Pronoun Conjugation
yo fastidio
fastidias
él/ella/Ud. fastidia
nosotros fastidiamos
vosotros fastidiáis
ellos/ellas/Uds. fastidian
Example

Me fastidia cuando llegas tarde.

It annoys me when you arrive late.

Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.

Pronoun Conjugation
yo fastidié
fastidiaste
él/ella/Ud. fastidió
nosotros fastidiamos
vosotros fastidiasteis
ellos/ellas/Uds. fastidiaron
Example

Ayer yo fastidié.

Yesterday I annoy.

Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.

Pronoun Conjugation
yo fastidiaba
fastidiabas
él/ella/Ud. fastidiaba
nosotros fastidiábamos
vosotros fastidiabais
ellos/ellas/Uds. fastidiaban
Example

Antes yo fastidiaba con frecuencia.

Before, I used to annoy often.

Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.

Pronoun Conjugation
yo fastidiaré
fastidiarás
él/ella/Ud. fastidiará
nosotros fastidiaremos
vosotros fastidiaréis
ellos/ellas/Uds. fastidiarán
Example

Mañana yo fastidiaré.

Tomorrow I will annoy.

Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.

Pronoun Conjugation
yo fastidiaría
fastidiarías
él/ella/Ud. fastidiaría
nosotros fastidiaríamos
vosotros fastidiaríais
ellos/ellas/Uds. fastidiarían
Example

Si pudiera, yo fastidiaría.

If I could, I would annoy.

Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.

Pronoun Conjugation
yo fastidie
fastidies
él/ella/Ud. fastidie
nosotros fastidiemos
vosotros fastidiéis
ellos/ellas/Uds. fastidien
Example

No fastidies a tu hermana.

Don't annoy your sister.

Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.

Pronoun Conjugation
yo -
fastidia
él/ella/Ud. fastidie
nosotros fastidiemos
vosotros fastidiad
ellos/ellas/Uds. fastidien
Example

Me fastidia cuando llegas tarde.

It annoys me when you arrive late.

Test yourself

Type the correct conjugation for each prompt.

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Example sentences

Common phrases with fastidiar

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