piquant

Piquant flavors "sting" the tongue and piquant words "prick" the intellect, arousing interest. These varying senses reflect the etymology of the word piquant, which first appeared in English in the 17th century and which derives from the Middle French verb piquer, meaning "to sting" or "to prick." Though first used to describe foods with spicy flavors, the word is now often used to describe things that are spicy in other ways, such as engaging conversation. Have we piqued your curiosity about another piquer offspring? If you’ve already guessed that the verb pique, meaning "to offend" or "to arouse by provocation," comes from piquer, too, you’ve got a sharp mind.