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A close-up view of two dangerous items: a long, sharp kitchen knife and a jagged piece of broken glass.

peligrosos

peh-lee-GROH-sohs

dangerous?describing multiple masculine nouns
Also:risky?referring to activities or ventures,hazardous?referring to materials or conditions

πŸ“ In Action

Los animales mΓ‘s grandes son a menudo los mΓ‘s peligrosos.

A2

The biggest animals are often the most dangerous ones.

Eviten esos caminos. Son muy peligrosos debido a las rocas.

B1

Avoid those roads. They are very dangerous due to the rocks.

Algunos deportes extremos son considerados peligrosos para la salud.

B2

Some extreme sports are considered hazardous to health.

Word Connections

Synonyms

  • arriesgados (risky)
  • amenazantes (threatening)

Antonyms

  • seguros (safe)
  • inofensivos (harmless)

Common Collocations

  • lugares peligrosos – dangerous places
  • productos peligrosos – hazardous products

πŸ’‘ Grammar Points

Agreement Rule

Since 'peligrosos' is an adjective, it must match the noun it describes. This form is used only for nouns that are masculine (like 'perros') and plural (more than one).

❌ Common Pitfalls

Gender Mismatch

Mistake: "Las situaciones peligrosos."

Correction: Use 'Las situaciones peligrosas.' Remember, if the noun is feminine plural, the adjective must also be feminine plural.

⭐ Usage Tips

Placement is Flexible

In Spanish, adjectives like 'peligrosos' usually come after the noun ('perros peligrosos'). Placing it before the noun ('peligrosos perros') emphasizes the quality.

✏️ Quick Practice

πŸ’‘ Quick Quiz: peligrosos

Question 1 of 1

Which sentence correctly uses the word 'peligrosos'?

πŸ“š More Resources

Frequently Asked Questions

What is the singular form of 'peligrosos'?

The singular form is 'peligroso' (masculine) or 'peligrosa' (feminine). You use these forms when describing just one thing.

How do I make 'peligrosos' feminine?

To describe feminine plural nouns (like 'serpientes'), you change the 'o' to 'a' and keep the 's': 'peligrosas'. The base word is 'peligro,' and the ending changes to match the noun.