Synonyms of unfilled

1 Syllable
blank, void, bare
2 Syllables
hungriest, hungry, unfed, blankest, voiding, blanker, voider, drained, empty, emptiest, vacant, emptier, hollow, hungrier
3 Syllables
cup-shaped, troughlike, famishing, hungered, depleted, hollowest, tenantless, hollower, untaken, hollowing
4 Syllables
untenanted, unoccupied
5 Syllables
infundibular