This is the 8699th most frequent Catalan word.
ensopit
Dull, lethargic, or sluggish.
Ensopit here is used to describe the mood or state of the village, meaning 'dull' or 'gloomy'.
Aquest estiu plujós fa que el poble sembli trist i ensopit.
This rainy summer makes the village seem sad and dull.
Ensopit in this context describes a person's state, meaning 'lethargic' or 'listless'.
Estava tan ensopit que ni tan sols es va adonar de l'arribada dels seus amics.
He was so lethargic that he didn't even notice his friends arriving.
Ensopit here refers to something boring or unengaging, in this case, the book.