Learn English – single word that is the opposite of “want” (i.e. “do not want”)

Is there a single verb that means "do not want"?

E.g. "I want that object" or "I want to do this" vs. "I _____ (do not want) that object" or "I _____ (do not want) to do this"?

Also in the case of casual writing, when you might write "Let's not talk about what you want/don't want, let's take action instead" or "Let's not talk about what you do or do not want, let's take action instead", is there a single-word opposite of "want" that could be dropped in and used in combination with "want" in that type of sentence?