But something brighter than sunshine used often to look from the cottage into the forest, and something even more gloomy than shadows often glowered from its windows upon the sunny lake.

What connotation does the word glowered have in this context?

(1 point)
Responses

a slightly positive connotation
a slightly positive connotation

a very negative connotation
a very negative connotation

a very positive connotation
a very positive connotation

a slightly negative connotation
a slightly negative connotation

a slightly negative connotation