Inklingo

How to Say "complement" in Spanish

The most common Spanish word forcomplementis complementouse 'complemento' for an item that adds to or completes another, often in a fashion or decorative sense, or for a general notion of something that completes..

English → Spanish

complemento

/kom-ple-MEN-toh//kompleˈmento/

nounA2general
Use 'complemento' for an item that adds to or completes another, often in a fashion or decorative sense, or for a general notion of something that completes.
A stylish leather handbag, a pair of sunglasses, and a colorful scarf laid out on a clean surface.

Examples

El sombrero es un bonito complemento para su atuendo.

The hat is a nice accessory for her outfit.

Llevo un collar rojo como complemento.

I'm wearing a red necklace as an accessory.

Este bolso es el complemento ideal para tu vestido.

This bag is the perfect accessory for your dress.

Recibió un complemento salarial este mes.

He received a salary supplement this month.

One word, many 'additions'

In English, we use different words for a 'necklace' (accessory), 'extra pay' (bonus), and a 'direct object' (grammar). In Spanish, 'complemento' covers all these 'extra pieces' that finish or complete something else.

Grammar without the jargon

In school, you'll hear 'complemento directo.' This simply refers to the thing or person that receives the action in a sentence, like 'the book' in 'I read the book.'

Don't just say 'Accesorio'

Mistake:Only using 'accesorio' for fashion.

Correction: Use 'complemento' frequently! While 'accesorio' is correct, Spanish speakers often prefer 'complemento' when talking about things that 'complete' an outfit.

complementario

/kom-ple-men-ta-ryo//komplemenˈtaɾjo/

nounC1technical
Use 'complementario' specifically in mathematical or scientific contexts to refer to a set or value that completes another.
A single puzzle piece being placed into a jigsaw puzzle to complete the picture.

Examples

El complemento de A es el conjunto de todos los elementos que no están en A.

The complement of A is the set of all elements not in A.

Calcula el complementario del conjunto A.

Calculate the complement of set A.

Using it as a Noun

When used as a noun, it usually refers to a specific concept in math (like sets) or grammar. It is almost always masculine ('el complementario').

Choosing between 'complemento' and 'complementario'

Learners often confuse these by using 'complementario' outside of technical contexts. Remember that 'complemento' is the general word for an accessory or anything that completes something else, while 'complementario' is reserved for specific academic or scientific definitions.

Learn Spanish with Inklingo

Interactive stories, personalized learning, and more.