WordNet sense 1 (not solid; having a space or gap or cavity):

hollow

WordNet sense 2 (leave behind empty; move out of):

abandon, vacate

WordNet sense 3 (having no meaning or direction or purpose):

meaningless, nonmeaningful

WordNet sense 4 (needing nourishment):

empty-bellied

WordNet sense 5 (feeling hunger; feeling a need or desire to eat food):

hungry

WordNet sense 6 (emptied or exhausted of (as by drawing off e.g. water or other liquid)):

drained

WordNet sense 7 (containing nothing):

void

WordNet sense 8 (devoid of matter):

vacuous

WordNet sense 9 (void of thought or knowledge):

vacant

WordNet sense 10 ((of a surface) not written or printed on):

blank, clean

WordNet sense 11 (completely wanting or lacking):

barren, destitute, devoid

WordNet sense 12 (having everything extraneous removed including contents):

bare

WordNet sense 13 (become empty or void of its content):

discharge, discharge

WordNet sense 14 (excrete or discharge from the body):

evacuate