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A colorful storybook illustration depicting three stylized figures (one blue, one red, and one yellow) standing side-by-side with their arms linked tightly together, symbolizing unity and solidarity.

unido

oo-NEE-doh

AdjectivemA2past participle of unir (to unite) ir
united?referring to groups, countries, or abstract concepts,close-knit?referring to family or friends
Also:joined?referring to physical objects,attached?referring to two things stuck together

📝 In Action

Los Estados Unidos son un país grande.

A2

The United States is a large country.

Mi familia está muy unida; siempre nos ayudamos.

B1

My family is very close-knit; we always help each other.

Las dos mesas quedaron unidas por un tornillo.

B1

The two tables were joined by a screw.

Word Connections

Synonyms

Antonyms

Common Collocations

  • familia unida – close-knit family
  • fuerzas unidas – united forces

💡 Grammar Points

Adjective Agreement

"Unido" is an adjective, so it must change its ending (gender and number) to match the noun it describes: masculino singular (unido), femenino singular (unida), masculino plural (unidos), femenino plural (unidas).

Origin as a Participle

This word comes directly from the verb 'unir' (to unite or join). When you use 'unido' with 'estar' or 'ser', it describes the result of the action: something that has been joined.

❌ Common Pitfalls

Forgetting Agreement

Mistake: "Las personas está unido."

Correction: Las personas están unidas. (Since 'personas' is plural and feminine, 'unido' must become 'unidas'.)

⭐ Usage Tips

Ser vs. Estar

Use 'ser unido' (Somos unidos) to describe an inherent quality (we are naturally a cohesive group). Use 'estar unido' (Estamos unidos) to describe the current state or condition (we are currently joined or standing together).

✏️ Quick Practice

💡 Quick Quiz: unido

Question 1 of 2

Which sentence correctly uses the feminine plural form of 'unido'?

📚 More Resources

Word Family

unir(to unite/to join) - verb
unión(union/bond) - noun
uniforme(uniform) - adjective/noun

Frequently Asked Questions

Is 'unido' the same as 'junto'?

They are very similar synonyms, both meaning 'joined' or 'together'. However, 'unido' often implies a deeper, more permanent bond or a formal connection (like countries), while 'junto' usually means physically 'next to' or 'at the same time'.

How do I use 'unido' to talk about the United States?

In Spanish, the country is called 'Los Estados Unidos'. Since 'Estados' (States) is masculine plural, we use the masculine plural form 'unidos'.