vanilla (adjective) vanilla: simple, unadorned
Sinonime: austere,
clean,
elementary, folksy,
homely,
humble, inelaborate,
modest,
plain, pure and simple,
rustic, uncluttered,
uncomplicated, undecorated, unelaborate, unembellished, unornamented, unostentatious,
unpretentious, your basic