mill around vs lurk

mill around and lurk both are verbs.

Word	Noun	Adjective	Verb	Adverb
mill around	No	No	Yes	No
lurk	No	No	Yes	No

As verbs, mill around and lurk are synonyms defined as:

Other synonyms of mill around include footle, hang around, lallygag, linger, loaf, loiter, lollygag, lounge, mess about, mill about, tarry.

mill around (verb)	lurk (verb)
move about in a confused manner	wait in hiding to attack
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
	lie in wait, lie in ambush, behave in a sneaky and secretive manner