Omar is always making jokes and trying to get others to laugh. Even when a situation is serious, he tries to make light of it by joking. When Omar told his friends that his grandmother was very sick and might die, everyone thought he was just joking around. Omar was trying to share something very sad, but his friends thought he was being facetious.

The denotation of facetious is “amusing or funny”. Based on the context of its use in this paragraph, what is the connotation of the word?