— obsessingly , adv. — obsessor , n.
/euhb ses"/ , v.t.
1. to dominate or preoccupy the thoughts, feelings, or desires of (a person); beset, trouble, or haunt persistently or abnormally: Suspicion obsessed him.
v.i.
2. to think about something unceasingly or persistently; dwell obsessively upon something.
[ 1495-1505; obsessus, ptp. of obsidere to occupy, frequent, besiege, equiv. to ob- OB- + -sid ( ere ) comb. form of sedere to SIT ]
Syn. 1. possess, control, haunt.