The phrase "cut to the bone" generally connotes a deep wound or an extreme reduction. Antonyms for this phrase could be "padding" or "filling out," which suggest adding substance or adding depth. Another antonym could be "superficial," suggesting a surface-level treatment that does not significantly impact the substance. One could also use "expanding" or "enlarging" as an antonym, suggesting a process that involves growth and expansion. Overall, antonyms for "cut to the bone" tend to include terms that suggest augmentation or growth, as opposed to reduction or removal.