Using neutral article Lo + adjective + ser in Spanish

In Spanish there is a neutral article, "lo" that can be used with adjectives (not nouns) in a neutral way, to highlight a quality about something/someone.

Have a look at the following examples with:

Lo + adjective + ser (conjugated)

Lo malo es que al final no puedo ir contigo al cine.
The bad thing is that I can't go to the cinema with you in the end.

Lo bueno es que mañana no llueve.
The good thing is that tomorrow it's not raining.

Notice how "lo", used with this type of construction, is followed by adjectives in the singular masculine form, not the feminine form or plurals.

Lo buena es que mañana no llueve.

Lo buenos son que mañana no llueve.

Now have a look at some examples with:

Lo + adjective + [de...] + ser (conjugated)

Lo mejor de mi antiguo trabajo era la flexibilidad de horario.
The best thing about my old job was the flexible working hours.

Para mí, lo esencial de la vida es ser feliz.
For me, the most important thing in life is to be happy.

Lo peor de mis hermanas es que se pelean todo el tiempo.
The worst thing about my sisters is that they argue all the time.

Notice above how comparative adjectives can also be used. (mejor, peor...)

Following the same structure, it can be used with a superlative:

Lo + superlative + [de...] + ser (conjugated)

Lo más impresionante del viaje fue la cantidad de museos interesantes.
The most impressive part of the trip was the amount of interesting museums.

Lo menos caro de esta tienda son los accesorios.
The least expensive things in this shop are the accessories.

Notice how, sometimes despite using the singular "lo + adjective" (lo menos caro), we conjugate the verb in the plural form (son). This is because, being a neutral idea, it can refer to a group of things, i.e "The least expensive things..."

See also How to say the most / the least + adjective (superlatives).

Learn more about these related Spanish grammar topics

Examples and resources

Para mí, lo esencial de la vida es ser feliz.
For me, the most important thing in life is to be happy.


Lo malo es que al final no puedo ir contigo al cine.
The bad thing is that I can't go to the cinema with you in the end.


Lo bueno es que mañana no llueve.
The good thing is that tomorrow it's not raining.


Lo mejor de mi antiguo trabajo era la flexibilidad de horario.
The best thing about my old job was the flexible working hours.


Lo menos caro de esta tienda son los accesorios.
The least expensive things in this shop are the accessories.


Lo peor de mis hermanas es que se pelean todo el tiempo.
The worst thing about my sisters is that they argue all the time.


Lo más impresionante del viaje fue la cantidad de museos interesantes.
The most impressive part of the trip was the amount of interesting museums.


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