#1 linger v. remain present although waning or gradually dying; "Her perfume lingered on". wn
#2 linger v. [loiter, lounge, footle, lollygag, loaf, lallygag, hang around, mess about, tarry, lurk, mill about, mill around] be about; "The high school students like to loiter in the Central Square"; "Who is this man that is hanging around the department?". wn
#3 linger v. [tarry] leave slowly and hesitantly. wn
#4 linger v. [dawdle] take one's time; proceed slowly. wn
#5 linger v. [hover] move to and fro; "The shy student lingered in the corner". wn
vizzz