Antonyms of adj buttonlike

1 sense of buttonlike

Sense 1
beady, beadlike, buttony, buttonlike -- (small and round and shiny like a shiny bead or button; "bright beady eyes"; "black buttony eyes")

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 buttonlike

1 sense of buttonlike

Sense 1
beady, beadlike, buttony, buttonlike -- (small and round and shiny like a shiny bead or button; "bright beady eyes"; "black buttony eyes")
       => bright (vs. dull) -- (emitting or reflecting light readily or in large amounts; "the sun was bright and hot"; "a bright sunlit room")