Definition of 画蛇添足 (がだてんそく)

noun
making an unnecessary addition (to), gilding the lily(yojijukugo)
Related Kanji
brush-stroke, picture
snake, serpent, hard drinker
annexed, accompany, marry, suit, meet, satisfy, attach, append, garnish, imitate
leg, foot, be sufficient, counter for pairs of footwear