Most adjectives are regular and have different forms for masculine feminine and plural. For example:
meaning masculine feminine masculine plural feminine plural
thin delgado delgada delgados delgadas
Las mujeres delgadas
Some don't change according to gender, only number:
happy: Feliz, felizes (plural)
Most of the adjectives come after the noun, but some can come before: Feliz cumpleanhos!
A Elizabeth le gusta dibujar. Ella es artística.
And his hearty gunbdf no he except mlbf
