a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it"
in no way; to no degree; "he looks nothing like his father"
a small valley between mountains; "he built himself a cabin in a hollow high up in the Appalachians"
a cavity or space in something; "hunger had caused the hollows in their cheeks"
as if echoing in a hollow space; "the hollow sound of footsteps in the empty ballroom"
not solid; having a space or gap or cavity; "a hollow wall"; "a hollow tree"; "hollow cheeks"; "his face became gaunter and more hollow with each year"