desert

noun

1
leave someone who needs or counts on you; leave in the lurch
The mother deserted her children
2
leave behind
the students deserted the campus after the end of exam period
3
desert (a cause, a country or an army), often in order to join the opposing cause, country, or army
If soldiers deserted Hitler's army, they were shot

Also useful for “desert”:Unscrambler— Rearrange the letters in “desert”