1560s, from spice (n.) + -y (2). In reference to flowers, breezes, etc., "sweet-smelling," from 1640s. Figurative sense of "racy, salacious" dates from 1844. Related: Spiciness.
I like my chili extra spicy
a spicy sauce
spicy gossip
spice
spice-box
spice-cake
spick-and-span
spicule
spicy
spider
spider-plant
spider-web
spidery
spiel