Found 2 items, similar to obsessionally.
English → English (WordNet) Definition: obsessionally obsessionally adv : in a compulsive manner; “he cleaned his shoes compulsively after every walk” [syn: compulsively, obsessively]
English → English (gcide) Definition: obsessional obsessional \obsessional\ obsessive \obsessive\adj. Persistently and abnormally preoccupied with some unreasonable idea. Syn: compulsive. [WordNet 1.5]