In the wake of words deemed annoying or worthy of banishment, A Detroit university has offered up a batch it wants back in the linguistic limelight. Wayne State University on Tuesday released its annual Word Warriors list. It includes "insuperable," meaning impossible to overcome, and "nugatory," of no value or importance. Among other "neglected" words it wants to revive are "couth," which means cultured, refined and well-mannered, and "frangible," referring to something that's fragile.