I can't have those other words lose their meaning.
busy |ˈbizē|adjective ( busier , busiest )having a great deal to do: he had beentoobusy to enjoy himself | there was enough work to keeptwo people busy. OK 1 (also okay |ˈōˈkā|) informaladjective [ predic. ]satisfactory but not exceptionally or especially good : the flight was OK.• (of a person) in a satisfactoryphysicalor mental state: are you OK, Ben?