unfavorite

• unfavourite (Commonwealth)

un- +‎ favorite

unfavorite (comparative more unfavorite, superlative most unfavorite)

1. (informal) Not preferred; in particular, especially disliked.
   • 1979 August 18, Maida Tilchen, Nancy Vogl, Debbie Lempke, Susan Shanbaum, Bonnie Lockhart, “The Diversity of Women's Music”, in Gay Community News, volume 7, number 5, page 9:

     I'm going to talk about business, which is really my most unfavorite aspect of doing this work. We are involved in an enormous contradiction: we're trying to make a living in a system where no one makes a living doing creative stuff.

• unfavored

unfavorite (plural unfavorites)

1. (informal) Something that is not a favourite; particularly something that is especially disliked.

Most often used in explicit contrast to favorite, as in “These are some of my favorite and unfavorite things”.

unfavorite (third-person singular simple present unfavorites, present participle unfavoriting, simple past and past participle unfavorited)

1. (Internet, transitive) To remove from one’s list of favorites.

   How do I unfavorite a tweet?

• (antonym(s) of “all senses”): favorite

• unfave, unfav (both informal)