"emptiest" in the adjective sense
1. empty
holding or containing nothing
"an empty glass"
"an empty room"
"full of empty seats"
"empty hours"
2. empty, hollow, vacuous
devoid of significance or force
"empty promises"
"a hollow victory"
"vacuous comments"
3. empty, empty-bellied
needing nourishment
"after skipped lunch the men were empty by suppertime"
"empty-bellied children"
4. empty
emptied of emotion
"after the violent argument he felt empty"
Source: WordNet® (An amazing lexical database of English)
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