The antonyms for "more unaccommodating" could be "more accommodating", "more friendly", "more cooperative", "more adaptable", and "more helpful". While unaccommodating suggests inflexibility and unwillingness to cooperate, accommodating suggests being flexible and keen to help. Friendly implies a disposition towards warmth and kindness. Cooperative connotes the willingness to work together, while adaptable denotes the ability to adjust or modify to different circumstances. Helpful, on the other hand, indicates the willingness to provide assistance or support. Choosing any of these antonyms can create a positive tone and help avoid negative connotations associated with being unaccommodating.