adjective: (of Japanese animation) Erotic, lascivious, lewd, naughty, sexy, suggestive.
noun: (uncountable) A genre, especially of anime and manga, featuring playful, tongue-in-cheek usage of sexualized imagery and situations such as double entendre or flirtation, while remaining non-pornographic. Often used to differentiate from hentai which features overt sexual themes.
noun: (rare, countable, chiefly proscribed by fandom slang) A situation within a story, especially anime and manga, which ventures into the ecchi genre.
