without losing time (e.g. to do); without even time for (doing something)
taking leave (of a visited place); leaving; going home; leaving one's employment; quitting one's job; being dismissed
busy; having no time (for)
(spare) time; free time; time off; leave; resignation; dismissal
leave-taking; (saying) goodbye; requesting leave (from work)
too many to count; too numerous to mention
too busy to deal with; unable to keep up