Merriam-Webster's Collegiate® Dictionary, 11th Edition
EMPTY
I. adjective (emptier; -est) see: must Date: before 12th century
1. containing nothing , not occupied or inhabited , unfrequented , not pregnant , null 4a ,
2. lacking reality, substance, meaning, or value ; hollow , destitute of effect or force , devoid of sense ; foolish , hungry ,
4. idle , having no purpose or result ; useless , marked by the absence of human life, activity, or comfort , emptily adverb emptiness noun Synonyms: see: empty see: vain
II. verb (emptied; emptying)
Date: 1548
transitive verb
1. to make empty ; remove the contents of , deprive , divest , to discharge (itself) of contents, to fire (a repeating firearm) until empty, to remove from what holds or encloses , intransitive verb to become empty , to discharge contents ,
III. noun (plural empties)
Date: 1865
something (as a bottle or can) that is empty