such-and-such determiner 1noun 1forms 1 determiner1 •indefinite; some or other, not statedI am troubled by the rush of young researchers attempting to prove that females are not inferior to males in such-and-such an ability or such-and-such a trait, especially when it is by no means clear what difference it makes. noun1 •A placeholder or generic thing.It's a poor system, because if you want to do such-and-such, you must first find that function in a long and disorderly list. formssuch-and-suches