The constant buzzing of mosquitoes at night became such a nuisance that I invested in a mosquito net to finally get a peaceful sleep.

The keyword in the sentence is used correctly.

She attempted to enamel her sandwich with mustard, but ended up with a messy and unpleasant result.

After a long journey, the weary travelers finally reached the chaotic haven of their mountain cabin, where they could rejuvenate amidst nature's beauty and be aware of the bears and wild animals.

charitable, kind, altruistic are synonyms for the word benevolent

clear, understandable, and comprehensible are synonyms for the word baffled.

The board meeting was marked by passionate dissent from some members who voiced their concerns, while others sought to confine the discussion to specific agenda items.