Antonyms of adj sparkly

2 senses of sparkly

Sense 1
bubbling, effervescent, frothy, scintillating, sparkly -- (marked by high spirits or excitement; "his fertile effervescent mind"; "scintillating personality"; "a row of sparkly cheerleaders")

INDIRECT (VIA lively) -> dull -- (lacking in liveliness or animation; "he was so dull at parties"; "a dull political campaign"; "a large dull impassive man"; "dull days with nothing to do"; "how dull and dreary the world is"; "fell back into one of her dull moods")

Sense 2
aglitter (predicate), coruscant, fulgid, glinting, glistering, glittering, glittery, scintillant, scintillating, sparkly -- (having brief brilliant points or flashes of light; "bugle beads all aglitter"; "glinting eyes"; "glinting water"; "his glittering eyes were cold and malevolent"; "shop window full of glittering Christmas trees"; "glittery costume jewelry"; "scintillant mica"; "the scintillating stars"; "a dress with sparkly sequins"; "`glistering' is an archaic term")

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

Similarity of adj sparkly

2 senses of sparkly

Sense 1
bubbling, effervescent, frothy, scintillating, sparkly -- (marked by high spirits or excitement; "his fertile effervescent mind"; "scintillating personality"; "a row of sparkly cheerleaders")
       => lively (vs. dull) -- (full of life and energy; "a lively discussion"; "lively and attractive parents"; "a lively party")

Sense 2
aglitter (predicate), coruscant, fulgid, glinting, glistering, glittering, glittery, scintillant, scintillating, sparkly -- (having brief brilliant points or flashes of light; "bugle beads all aglitter"; "glinting eyes"; "glinting water"; "his glittering eyes were cold and malevolent"; "shop window full of glittering Christmas trees"; "glittery costume jewelry"; "scintillant mica"; "the scintillating stars"; "a dress with sparkly sequins"; "`glistering' is an archaic term")
       => bright (vs. dull) -- (emitting or reflecting light readily or in large amounts; "the sun was bright and hot"; "a bright sunlit room")