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(əb-sĕsh′ən, ŏb-)
1. A pattern of unwanted or intrusive thoughts or urges that recur persistently, often accompanied by symptoms of anxiety.
2. A compulsive, often unreasonable idea or emotion.

ob·ses′sion·al adj.
ob·ses′sion·al·ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.obsessionally - in a compulsive manner; "he cleaned his shoes compulsively after every walk"


adv (Psych) (+adj) → zwanghaft, obsessiv; jealouszwanghaft; (+vb) → wie besessen, fanatisch
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References in periodicals archive ?
During the periods on the farm when he felt so upset and alone, he put all his possessions together in a little spot and counted them and looked at them and became obsessionally involved with them.
As his therapy progressed, however, Beckett began "forcing [himself] to keep at the book" (Feshenfeld 22 September 1935), and soon "threw himself obsessionally into [it], at the expense of almost everything else" (Knowlson 194).
This reached a severe level of obsessionally looking at women on the train while going to work which triggered an internal process of questioning himself repeatedly.