Antonyms of adj splendid

3 senses of splendid

Sense 1
glorious, resplendent, splendid, splendiferous -- (having great beauty and splendor; "a glorious spring morning"; "a glorious sunset"; "splendid costumes"; "a kind of splendiferous native simplicity")

INDIRECT (VIA beautiful) -> ugly -- (displeasing to the senses; "an ugly face"; "ugly furniture")

Sense 2
excellent, first-class, fantabulous, splendid -- (very good;of the highest quality; "made an excellent speech"; "the school has excellent teachers"; "a first-class mind")

INDIRECT (VIA superior) -> inferior -- (of low or inferior quality)

Sense 3
brilliant, glorious, magnificent, splendid -- (characterized by grandeur; "the brilliant court life at Versailles"; "a glorious work of art"; "magnificent cathedrals"; "the splendid coronation ceremony")

INDIRECT (VIA impressive) -> unimpressive -- (not capable of impressing)

Similarity of adj splendid

3 senses of splendid

Sense 1
glorious, resplendent, splendid, splendiferous -- (having great beauty and splendor; "a glorious spring morning"; "a glorious sunset"; "splendid costumes"; "a kind of splendiferous native simplicity")
       => beautiful (vs. ugly) -- (delighting the senses or exciting intellectual or emotional admiration; "a beautiful child"; "beautiful country"; "a beautiful painting"; "a beautiful theory"; "a beautiful party")

Sense 2
excellent, first-class, fantabulous, splendid -- (very good;of the highest quality; "made an excellent speech"; "the school has excellent teachers"; "a first-class mind")
       => superior (vs. inferior) -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")

Sense 3
brilliant, glorious, magnificent, splendid -- (characterized by grandeur; "the brilliant court life at Versailles"; "a glorious work of art"; "magnificent cathedrals"; "the splendid coronation ceremony")
       => impressive (vs. unimpressive) -- (making a strong or vivid impression; "an impressive ceremony")