Antonyms of adj frothy

2 senses of frothy

Sense 1
bubbling, bubbly, foaming, foamy, frothy, effervescing, spumy -- (emitting or filled with bubbles as from carbonation or fermentation; "bubbling champagne"; "foamy (or frothy) beer")

INDIRECT (VIA effervescent) -> noneffervescent -- (not effervescent)

Sense 2
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")

Similarity of adj frothy

2 senses of frothy

Sense 1
bubbling, bubbly, foaming, foamy, frothy, effervescing, spumy -- (emitting or filled with bubbles as from carbonation or fermentation; "bubbling champagne"; "foamy (or frothy) beer")
       => effervescent (vs. noneffervescent) -- ((of a liquid) giving off bubbles)

Sense 2
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")