Ana es más alta que Luis.
English: Ana is taller than Luis.
Comparatives and superlatives in Spanish are used to compare people, things, or actions, and to say something is the most or least in a group.
Use comparatives to compare two people or things. Use superlatives to say that someone or something has the highest or lowest degree of a quality in a group.
Ana es más alta que Luis.
English: Ana is taller than Luis.
Este libro es menos interesante que ese.
English: This book is less interesting than that one.
Mi hermano es tan simpático como mi hermana.
English: My brother is as nice as my sister.
Pedro es el más rápido de la clase.
English: Pedro is the fastest in the class.
Esta película es la menos divertida de todas.
English: This movie is the least fun of all.