The term "more curtailed" implies that something has been reduced or limited. Antonyms for this phrase could include "less restricted," "more expanded," or "unrestricted." These terms suggest that the limitations that were once in place have been removed or relaxed, allowing for greater freedom or growth. Other antonyms might include "increased," "extended," or "enlarged," which suggest that something has been enhanced or enlarged. In essence, the antonyms for "more curtailed" are words that suggest a sense of liberation, growth, or increased flexibility, all of which stand in contrast to the restrained sense of the original phrase.