What does loathsome mean asit is used in the following line's from iv sence 3 of romeo and juliet

The word loathsome, as it is used in Act IV, scene 3 of Romeu and Julieta, means something that provokes malaise, repulsion, disgust.

The author of the story—Romeo and Juliet, Williams Shakespeare, uses the word 'loathsome' to elicit feelings of disgust and repulsion thereby eposing the readers to the state of things in the line of the story.

my guy how are we supposed to know

"the tune the he might never know again." this part build anticipation. dexter got extremely happy by the piano tune. he could see what he was living at that moment in his life throught this feeling. the reader might want to learn more about his happy life. in fact, he called it a state of   'ecstasy'. the fact that he had got in a mood of intense appreciation and that everything about him was extremely bright and glamorous might lead the reader to feel that this state of happiness may not last long. the two parts from the excerpt that exemplify the anticipation are: " the sound of the "; " it was a know again."