steal away (v)
sneak out (v)
sneak off (v)
sneak away (v)
slip away (v)

Definition: leave furtively and stealthily
Example: The lecture was boring and many students slipped out when the instructor turned towards the blackboard.

elapse (v)
glide by (v)
go along (v)
go by (v)
lapse (v)
pass (v)
slide by (v)
slip away (v)
slip by (v)

Definition: pass by
Example: three years elapsed.

steal away (v)
sneak out (v)
sneak off (v)
sneak away (v)
slip away (v)

Definition: leave furtively and stealthily
Example: The lecture was boring and many students slipped out when the instructor turned towards the blackboard.

elapse (v)
glide by (v)
go along (v)
go by (v)
lapse (v)
pass (v)
slide by (v)
slip away (v)
slip by (v)

Definition: pass by
Example: three years elapsed.