Hollow

ahuecado

(having an empty space inside)

falso

(without substance)

hueco

(having an empty space inside)

hueco

(without substance)

hundido

(having an empty space inside)

orondo

(having an empty space inside)

resonante

(echoing, reverberating, as if in a hollow space)

sordo

(echoing, reverberating, as if in a hollow space)

vano

(having an empty space inside)

casco

(sunken area)

copa

(sunken area)

depresión

(sunken area)

hondonada

(sunken area)

hueco

(unfilled space in something solid; a cavity — see also cavity, hole)

hueco

(feeling of emptiness)

vacío

(feeling of emptiness)