skulking
1. [ noun ] evading duty or work by pretending to be incapacitated
Synonyms: malingering
Examples:

"they developed a test to detect malingering"

Related terms: evasion malinger
2. [ adjective ] marked by quiet and caution and secrecy; taking pains to avoid being observed
Synonyms: furtive stealthy sneaky sneak surreptitious lurking
Examples:

"a furtive manner" "a lurking prowler" "a sneak attack" "stealthy footsteps" "a surreptitious glance at his watch" "someone skulking in the shadows"

Related terms: concealed
Similar spelling:   skulk
  Skalski
  skylight
  skulker
  Skalsky
  skywalk