What is Whole?
Whole is (adj) all of something She must have been hungry – she ate a whole apple pie. We spent the whole winter in the south. A whole lot of people went down with flu. (noun) all, everything She stayed in bed the whole of Sunday morning and read the newspapers. The whole of the north of the country was covered with snow. Did you watch the whole of the programme? (NOTE: Do not confuse with hole.) (adv) in one piece The heron swallowed the fish whole.
source: Easier English, Student Dictionary Upper Intermediate Level