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"Estrecho" is an adjective which is often translated as "narrow", and "angosto" is an adjective which is also often translated as "narrow". Learn more about the difference between "estrecho" and "angosto" below.
estrecho()
An adjective is a word that describes a noun (e.g., the big dog).
a. tight
Los vaqueros le quedaban tan estrechos que le costó un montón ponérselos.The jeans were so tight that she had to struggle to fit in them.
3. (intimate)
a. close
Entre ambos hermanos existe una relación muy estrecha.The two brothers have a very close relationship.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
5. (geography)
a. strait
El estrecho de Gibraltar une el océano Atlántico con el mar Mediterráneo.The Strait of Gibraltar connects the Atlantic Ocean to the Mediterranean Sea.