definition of
exist

[1] #1 exist v. [be] have an existence, be extant; "Is there a God?". wn

[2] #2 exist v. [survive, live, subsist] support oneself; "he could barely exist on such a low wage"; "Can you live on $2000 a month in New York City?"; "Many people in the world have to subsist on $1 a day". wn