How to Say "unimportant" in Spanish
The most common Spanish word for “unimportant” is “insignificante” — use this when something has so little importance or size that it is barely noticeable or has no real impact.
insignificante
een-seeg-nee-fee-KAHN-tehinsiɣnifiˈkante

Examples
No te preocupes por eso, es un detalle insignificante.
Don't worry about that, it's an insignificant detail.
Me sentí insignificante ante la inmensidad del océano.
I felt insignificant before the vastness of the ocean.
One Form for All
This adjective ends in '-e', which means it stays the same regardless of whether you are describing a masculine or feminine noun.
Don't add 'a'
Mistake: “una cosa insignificanta”
Correction: una cosa insignificante
irrelevante
ee-rreh-leh-BAHN-tehireleˈβante

Examples
Ese detalle es irrelevante para nuestra decisión final.
That detail is irrelevant to our final decision.
No te preocupes por eso; es un tema totalmente irrelevante.
Don't worry about that; it's a completely unimportant topic.
Sus opiniones personales son irrelevantes en este juicio.
His personal opinions are insignificant in this trial.
One Form for All Genders
This word doesn't change based on whether you're talking about a man or a woman (or a masculine or feminine noun). It always ends in 'e'.
Placement After the Noun
Like most adjectives in Spanish, 'irrelevante' usually comes after the person or thing you are describing, such as 'un dato irrelevante' (an irrelevant piece of data).
Watch the Spelling
Mistake: “irrelevant”
Correction: irrelevante
Don't change the ending to 'o' or 'a'
Mistake: “La información es irrelevanta.”
Correction: La información es irrelevante. (Words ending in -e don't switch to -a for feminine things.)
trivial
tree-bee-AHLtɾiˈβjal

Examples
No deberías discutir por cosas triviales.
You shouldn't argue about trivial things.
Parece un problema trivial, pero es difícil de resolver.
It seems like a trivial problem, but it's hard to solve.
En la ciencia, ninguna observación es realmente trivial.
In science, no observation is truly trivial.
One size fits all
This word doesn't change based on gender. You can use 'trivial' for both masculine and feminine words: 'un error trivial' (a trivial error) or 'una duda trivial' (a trivial doubt).
How to make it plural
Since this word ends in a consonant (L), you add '-es' to make it plural: 'detalles triviales'.
Confusing it with 'Trivia'
Mistake: “Using 'trivial' to mean the noun 'trivia' (facts/knowledge).”
Correction: In Spanish, 'trivial' is an adjective (describing word). If you want to talk about trivia questions or facts, use 'curiosidades' or 'datos irrelevantes'.
Insignificante vs. Irrelevante
Related Translations
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