| Language: | Old English |
| Origin: | holh 'hole, hollow place' |
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hol‧low1

1 having an empty space inside :
a hollow tree
empty inside
a hollow tree2 eyes etc where the skin sinks inwards :
He was short and thin, with hollow eyes.
hollow eyes/cheeks etc
HBH
He was short and thin, with hollow eyes.3 a hollow sound is low and clear like the sound made when you hit something empty :
There was a hollow thump as the cars collided.
sound
There was a hollow thump as the cars collided.4 words, events, or people that are hollow have no real worth or value :
no value
—hollowly adverb:
Sam laughed hollowly.
Sam laughed hollowly. —hollowness noun [uncountable]
