Antonyms of adj tangy

1 sense of tangy

Sense 1
lemony, lemonlike, sourish, tangy, tart -- (tasting sour like a lemon)

INDIRECT (VIA sour) -> sweet -- (having or denoting the characteristic taste of sugar)

Similarity of adj tangy

1 sense of tangy

Sense 1
lemony, lemonlike, sourish, tangy, tart -- (tasting sour like a lemon)
       => sour (vs. sweet) -- (having a sharp biting taste)