#1 occupy v. [busy] keep busy with; "She busies herself with her butterfly collection". wn
#2 occupy v. [reside, lodge in] live (in a certain place); "She resides in Princeton"; "he occupies two rooms on the top floor". wn
#3 occupy v. [fill] occupy the whole of; "The liquid fills the container". wn
#4 occupy v. [concern, interest, worry] be on the mind of; "I worry about the second Germanic consonant shift". wn
#5 occupy v. [invade] march aggressively into another's territory by military force for the purposes of conquest and occupation; "Hitler invaded Poland on September 1, 1939". wn
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