sexy (adj.)

1905, from sex (n.) + -y (2). Originally "engrossed in sex;" sense of "sexually attractive" is by 1912. An earlier word in this sense was sexful (1894). Related: Sexier; sexiest.

Others are reading

Definitions of sexy from WordNet

sexy (adj.)
marked by or tending to arouse sexual desire or interest;
sexy clothes
sexy poses
a sexy book
feeling sexy
sexy jokes
sexy (adj.)
stimulating sexual desire;
Synonyms: aphrodisiac / aphrodisiacal