Antonyms of adj luscious

2 senses of luscious

Sense 1
juicy, luscious, red-hot, toothsome, voluptuous -- (having strong sexual appeal; "juicy barmaids"; "a red-hot mama"; "a voluptuous woman"; "a toothsome blonde in a tight dress")

INDIRECT (VIA sexy) -> unsexy -- (not sexually aroused or arousing)

Sense 2
delectable, delicious, luscious, pleasant-tasting, scrumptious, toothsome, yummy -- (extremely pleasing to the sense of taste)

INDIRECT (VIA tasty) -> tasteless -- (lacking flavor)

Similarity of adj luscious

2 senses of luscious

Sense 1
juicy, luscious, red-hot, toothsome, voluptuous -- (having strong sexual appeal; "juicy barmaids"; "a red-hot mama"; "a voluptuous woman"; "a toothsome blonde in a tight dress")
       => sexy (vs. unsexy) -- (marked by or tending to arouse sexual desire or interest; "feeling sexy"; "sexy clothes"; "sexy poses"; "a sexy book"; "sexy jokes")

Sense 2
delectable, delicious, luscious, pleasant-tasting, scrumptious, toothsome, yummy -- (extremely pleasing to the sense of taste)
       => tasty (vs. tasteless) -- (pleasing to the sense of taste; "a tasty morsel")