Synonyms for Linger (same or very similar meaning)
WordNet sense 1 (move to and fro):
hoverWordNet sense 2 (be about):
lallygag, loaf, loiter, lollygag, lounge, lurk, tarry, footle, tarry, hang around, mess about, mill about, mill aroundWordNet sense 3 (take one's time; proceed slowly):
dawdleFrom the ODE community, based on WordNetadd/edit