spare time; free time; time (e.g. time it takes to do something); time off; day off; quitting (one's job); firing someone
without losing time (e.g. to do); without even time for (doing something)
leaving; going home; quitting one's job; free time; leisure
too many to count; too numerous to mention
leave-taking; offering one's resignation; farewell visit
too busy to deal with; unable to keep up