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"Malo" is an adjective which is often translated as "bad", and "primero" is an adjective which is often translated as "first". Learn more about the difference between "malo" and "primero" below.
malo, el malo, la mala()
An adjective is a word that describes a noun (e.g., the big dog).
1. (in quality)
2. (in morals)
3. (sickly)
6. (unpleasant)
a. naughty
Era un cachorro tan malo que tuvimos que regalarlo.He was such a naughty puppy that we had to give him away.
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
10. (bad person)
b. baddy (colloquial)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
La protagonista se enamora de uno de los malos.The protagonist falls in love with one of the baddies.
primero()
An adjective is a word that describes a noun (e.g., the big dog).
1. (position)
a. first
Luis fue el primer invitado en llegar a la fiesta.Luis was the first guest to arrive at the party.
2. (in time)
3. (principal)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
a. the best
Era el primero en matemáticas en séptimo grado.I was the best in mathematics in seventh grade.