rush off
Depart in haste
To rush off is to leave quickly, often abruptly or with urgency: Sorry, I have to rush off—my train leaves in ten minutes.
The phrase suggests departure under time pressure, sometimes with a hint of social awkwardness at cutting things short.
hurry
Move with urgency
speed · scurry · dart · zoom · bolt · hustle · scramble · fly · charge · barrel
leave
Sanctioned time away
bolt · head out · run out · slip away · clear out · decamp · abscond · vanish · disappear · withdraw
speed of departure
rush offlinger
Stay beyond necessity
dawdle · take one's time · ease out · drift off · take leave
direction/staying vs leaving
rush offstay
Remain in position
remain · stick around · hang around · stay put · linger
off, rush, rushed, rushing, rushes, dash off, rusher, rushers