obsessively

From obsessive +‎ -ly.

obsessively (comparative more obsessively, superlative most obsessively)

1. In an obsessive manner.
2. To an obsessive degree.
   • 2021 July 12, Nicholas Barber, “The French Dispatch: Four stars for Wes Anderson's latest”, in BBC‎^[1]:

     There were moments when I doubted whether it was worth all the effort – whether it was crazy of Anderson to toil so obsessively over three breezy, cheeky vignettes which are neither sidesplittingly hilarious nor heart-wrenchingly insightful.

• excessively