Agreeable / pleasant
Agradable
Happy
Feliz or Alegre
feliz describes a deeper, more permanent state of happiness, while alegre refers to a more temporary and outward expression of joy or cheerfulness. For example, someone might say “Soy feliz” to mean “I am happy (in general),” but “Estoy alegre” to mean “I am happy right now” or “I feel cheerful”.
Inexpensive
Barato
Expensive
Caro
Weak
Débil
Slender
Delgado
Difficult
Difícil
Great, terrific
Estupendo
Excellent
Excelente
Easy
Fácil
Fantastic
Fantástico
Ugly
Feo
Thin
Flaco
Fragile
Frágil
Strong
Fuerte
Fat
Gordo
Big
Grande
Handsome
Guapo
Beautiful
Hermoso
Horrible
Horrible
Intelligent
Intelligente
Interesting
Interesante
Young
Joven
Marvelous
Maravilloso