Difference between Loiter and Lurk

LOITER vs LURK: NOUN

To stand about without any aim or purpose; to stand about idly; to linger; to hang around.
Be about

Lie in wait, lie in ambush, behave in a sneaky and secretive manner
Be about
Wait in hiding to attack
To remain concealed in order to ambush
To remain unobserved
To hang out or wait around a location, preferably without drawing attention to oneself
To view an internet forum without posting comments

To violate a law or ordinance that prohibits persons from remaining in a given location without a clear purpose for an extended period of time, especially when behaving in a manner indicating a possible threat to persons or property in the vicinity.
To hover over or remain near an area.
To proceed slowly or with many stops.
To act slowly or with leisure; take one's time.
To be slow in moving; to delay; to linger; to be dilatory; to spend time idly; to saunter; to lag behind.
To wander as an idle vagrant.
To stand idly about; linger without any purpose.

To wait out of view.
To move furtively; sneak.
To keep out of sight.
To lie hidden; to lie in wait.
To read but not contribute to the discussion in a newsgroup, chatroom, or other online forum.
To exist unobserved or unsuspected.

To linger; be unduly slow in moving; delay; be dilatory; spend time idly.
Synonyms To lag, tarry, saunter, dilly-dally.
To consume or waste, as time, idly or carelessly: used with away: as, he loitered away most of his leisure.
Be about a place without any apparent purpose

To monitor a web forum or similar without making your presence pubilc
Be about a place without any apparent purpose
To be latent or undisclosed; be withdrawn from open manifestation; exist unperceived or unsuspected.
To lie in concealment; hide or keep out of sight, as for ambush or escape; skulk.

Congregate, Wander, Lag, Mess about, Hang around, Lallygag, Mill about, Footle, Mill around, Loaf, Lounge, Tarry, Lollygag, Linger, Lurk

Mill about, Lie in wait, Mess about, Lallygag, Lounge, Ambuscade, Ambush, Scupper, Bushwhack, Lollygag, Tarry, Waylay, Loiter, Skulk, Linger

Congregate, Wander, Lag, Mill around, Mill about, Mess about, Lallygag, Hang around, Footle, Loaf, Lounge, Tarry, Lollygag, Linger, Lurk

Mill around, Mill about, Mess about, Lie in wait, Lallygag, Hang around, Footle, Lounge, Ambush, Scupper, Lollygag, Tarry, Loiter, Skulk, Linger

The Lower school students won't have time to loiter around town all day.
Students will not be permitted to loiter in the hallways after school hours.
Students are not to sit in or loiter around the vehicles.
Students may not loiter in hallways, stairways, the cafeteria, or restrooms.
EVER AT LCI AND ANY OTHER FORUM THAT YOU LOITER, STALK.
Do not loiter outside the building, especially after dark.
Begin loiter at the specified Latitude and Longitude.
Foreigners loiter outside Anchorvale CC to watch g..
Students should not loiter in the parking lot.
Loiter, or be permitted to loiter, in or about any roomwherein any gambling game is operated or conducted.

And inflation fears still lurk just below the surface.
Behind each tree or log might lurk a savage.
What may lurk beneath our toes in the surf?
Even worse, dangerous dancing adversaries lurk in the shadows!
Qaeda still lurk near the permeable Afghan border.
Highly accurate ballistic missiles lurk in every theater.
Core Rulebook IIIFearsome and formidable foes lurk within.
But the virus can lurk in dormant mosquitoes.
Remove any bruised areas where bacteria may lurk.
Nary Hungummory Poses the Question, Does Essential Savagery Lurk Beneath the Skin of Civilization, or Does Essential Civilization Lurk Beneath the Skin of Savagery?