The antonyms for the word "more inaugural" can include "less formal," "non-ceremonious," "informal," and "casual." These terms indicate a lack of official and solemn proceedings associated with an inaugural event. "Less grandiose" and "unfussy" are also antonyms for more inaugural, suggesting a simpler approach to the event. The use of these alternate terms may signal a more intimate and relaxed atmosphere, contrasting with the expectations of a major event. In contrast, words like "more traditional," "more dignified," and "more ceremonial" would suggest a more elaborate and formal program for an inaugural event.