Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb slip_away

2 senses of slip away

Sense 1
slip away, steal away, sneak away, sneak off, sneak out -- (leave furtively and stealthily; "The lecture was boring and many students slipped out when the instructor turned towards the blackboard")
       => leave, go forth, go away -- (go away from a place; "At what time does your train leave?"; "She didn't leave until midnight"; "The ship leaves at midnight")

Sense 2
elapse, lapse, pass, slip by, glide by, slip away, go by, slide by, go along -- (pass by; "three years elapsed")
       => advance, progress, pass on, move on, march on, go on -- (move forward, also in the metaphorical sense; "Time marches on")