Antonyms of adj brilliant

6 senses of brilliant

Sense 1
brilliant, superb -- (of surpassing excellence; "a brilliant performance"; "a superb actor")

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

Sense 2
brainy, brilliant, smart as a whip -- (having or marked by unusual and impressive intelligence; "some men dislike brainy women"; "a brilliant mind"; "a brilliant solution to the problem")

INDIRECT (VIA intelligent) -> unintelligent, stupid -- (lacking intelligence; "a dull job with lazy and unintelligent co-workers")

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)

Sense 4
bright, brilliant, vivid -- (having striking color; "bright dress"; "brilliant tapestries"; "a bird with vivid plumage")

INDIRECT (VIA colorful) -> colorless, colourless -- (weak in color; not colorful)

Sense 5
brilliant -- (full of light; shining intensely; "a brilliant star"; "brilliant chandeliers")

INDIRECT (VIA bright) -> dull -- (emitting or reflecting very little light; "a dull glow"; "dull silver badly in need of a polish"; "a dull sky")

Sense 6
bright, brilliant -- (clear and sharp and ringing; "the bright sound of the trumpet section"; "the brilliant sound of the trumpets")

INDIRECT (VIA reverberant) -> unreverberant, nonresonant -- (not reverberant; lacking a tendency to reverberate)

Similarity of adj brilliant

6 senses of brilliant

Sense 1
brilliant, superb -- (of surpassing excellence; "a brilliant performance"; "a superb actor")
       => superior (vs. inferior) -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")

Sense 2
brainy, brilliant, smart as a whip -- (having or marked by unusual and impressive intelligence; "some men dislike brainy women"; "a brilliant mind"; "a brilliant solution to the problem")
       => intelligent (vs. unintelligent) -- (having the capacity for thought and reason especially to a high degree; "is there intelligent life in the universe?"; "an intelligent question")

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")

Sense 4
bright, brilliant, vivid -- (having striking color; "bright dress"; "brilliant tapestries"; "a bird with vivid plumage")
       => colorful (vs. colorless), colourful -- (having striking color; "colorful autumn leaves")

Sense 5
brilliant -- (full of light; shining intensely; "a brilliant star"; "brilliant chandeliers")
       => bright (vs. dull) -- (emitting or reflecting light readily or in large amounts; "the sun was bright and hot"; "a bright sunlit room")

Sense 6
bright, brilliant -- (clear and sharp and ringing; "the bright sound of the trumpet section"; "the brilliant sound of the trumpets")
       => reverberant (vs. unreverberant) -- (having a tendency to reverberate or be repeatedly reflected; "a reverberant room"; "the reverberant booms of cannon")