"emptiness" in the noun sense
the state of containing nothing
having an empty stomach
3. void, vacancy, emptiness, vacuum
an empty area or space
"the huge desert voids"
"the emptiness of outer space"
"without their support he'll be ruling in a vacuum"
4. vanity, emptiness
the quality of being valueless or futile
"he rejected the vanities of the world"
Source: WordNet® (An amazing lexical database of English)
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