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Verb: sneak out  sneek awt
  1. Leave furtively and stealthily
    "The lecture was boring and many students sneaked out when the instructor turned towards the blackboard";
    - slip away, steal away, sneak away, sneak off, slip out

Derived forms: sneaks out, sneaked out, sneaking out

See also: pussyfoot [informal]

Type of: go away, go forth, leave, off [informal]