HOLLOW
- not solid (having definite shape and volume) [adj HOLLOWER, HOLLOWEST] : HOLLOWLY [adv] / to make hollow [v HOLLOWED, HOLLOWING, HOLLOWS]
- to remove the interior [v -ED, -ING, -S] / not solid [adj HOLLOWER, HOLLOWEST]
- (of a sound) Echoing, as though made in or on an empty container
- Without significance
- Insincere
- Having a hole or empty space inside
- (of a thing) Having a depression in its surface; concave