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"Primero" is an adjective which is often translated as "first", and "luego" is an adverb which is often translated as "then". Learn more about the difference between "primero" and "luego" below.
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.
luego()
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
1. (next)
2. (afterwards)
a. later
Voy a ir al gimnasio luego porque primero tengo que terminar este informe.I'm going to go to the gym later because I have to finish this report first.
3. (in a short time) (Latin America)
Regionalism used in Latin America: all the countries in South America, Central America, and the Caribbean. Does not include Spain.
a. soon
Si sigues así, luego estarás en un aprieto.If you keep on like this, you'll soon be in a bind.
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
