meaningless, nonmeaningful – having no meaning or direction or purpose; “a meaningless endeavor”; “a meaningless life”; “a verbose but meaningless explanation”
3.
vacuous – devoid of matter; “a vacuous space”
empty – holding or containing nothing; “an empty glass”; “an empty room”; “full of empty seats”; “empty hours”
meaningless, nonmeaningful – having no meaning or direction or purpose; “a meaningless endeavor”; “a meaningless life”; “a verbose but meaningless explanation”
3.
vacuous – devoid of matter; “a vacuous space”
empty – holding or containing nothing; “an empty glass”; “an empty room”; “full of empty seats”; “empty hours”