The phrase "most best-loved" refers to something that is extremely well-liked, valued, admired or cherished. Antonyms for this phrase could include words such as "disliked", "hated", "abhorred", "objected", or "abominated". These words convey a negative sentiment towards a particular object, person, or event. "Disliked" refers to something that is not favored or appreciated, while "hated" suggests a strong dislike or aversion. "Abhorred" conveys disgust or repulsion, while "objected" means that there is objection or opposition towards something. "Abominated" is a very strong word that means to detest or curse something. Overall, antonyms for "most best-loved" are words that imply negative feelings, emotions or reactions.