There are multiple words that can describe anything that departs from normal or usual, here are a few examples:
abnormal
unusual
uncommon
atypical
different
Superlative degrees are forms of the base adjectives that are defined as the highest kind or order of the adjective when more than two objects are compared from one another.Say for example, beautiful, the superlative form is most beautiful. In this case, the words of superlative degree are absolute, wealthy and smart.
The answer is - ironic and witty
Gregor can't handle the furniture moving. He crawls out from behind the couch and globs onto the first thing he sees. It is a picture on the wall of a woman in furs. I think Gregor doesn't want to lose the possibility that he might become human again. The furniture reminds him of this.
Past tense would best suit this choice or wording
