Sentence:  And all this too shall pass away : it came to him out of some <WSD>dim</WSD> corner of memory from a church service when he was a boy - yes , in a white church with a thin spur steeple in the patriarchal Hudson Valley , where a feeling of plenitude was normal in those English Dutch manors with their well-fed squires . 
Meaning of the word marked with <WSD> tags:  slow to learn or understand; lacking intellectual acuity