Inflected forms: hol·low·er, hol·low·est 1. Having a cavity, gap, or space within: a hollow wall.2. Deeply indented or concave; sunken: His bearded face already has a set, hollow look (Conor Cruise O'Brien). 3. Without substance or character: a hollow person. See synonyms at vain. 4. Devoid of truth or validity; specious: Theirs is at best a hollow form of flattery (Annalyn Swan). 5. Having a reverberating, sepulchral sound: hollow footsteps.
NOUN:
1. A cavity, gap, or space: a hollow behind a wall.2. An indented or concave surface or area. 3. A void; an emptiness: a hollow in one's life.4. A small valley between mountains.
VERB:
Inflected forms: hol·lowed, hol·low·ing, hol·lows
TRANSITIVE VERB:
1. To make hollow: hollow out a pumpkin.2. To scoop or form by making concave: hollow out a nest in the sand.
INTRANSITIVE VERB:
To become hollow or empty.
ETYMOLOGY:
Middle English holwe, holowe, from holgh, hole, burrow (influenced by hole, hollow), from Old English holh. See kel-1 in Appendix I.