When the principal entered the classroom with a frightened scowl, the room was filled with deafening silence. In this sentence deafening silence is an oxymoron.
An oxymoron is a group of words that contains words that are self contradicting just like in the sentence above “deafening silence” which here means that the silence is so much powerful as the sound that is deafening. These literature tools are used to increase the impact of the words described to enhance the attention upon the real subject.
For example the pie you send yesterday was ''awfully amazing'' here awfully amazing means it was awful up to the point that it could have been amazing.
To know more about oxymoron refer to the link below
https://brainly.com/question/16733536
#SPJ4