The word that best defines the italicized word from the novel Frankenstein is A. daydreams
This refers to the implied meaning of a word as used in a given sentence based on the context.
Hence, we can see that I can infer that the italicized word is "realities of little worth" and with that in mind, the connotative meaning of the words is a daydream.
Read more about connotation here:
https://brainly.com/question/14905866