THIN

Sun, 10 Mar '24

Attenuated

Tue, 12 Dec '23

Paper-___

Sun, 26 Nov '23

Flimsy

Mon, 25 Sep '23

Slender

Sat, 26 Aug '23

Like an unconvincing argument, say

Sun, 23 Apr '23

Water down, say

Wed, 8 Jun '22

Watery

Tue, 12 Apr '22

Watery or papery

Mon, 14 Mar '22

Narrow

Mon, 21 Jun '21

Like Girl Scout "Mints"

Sun, 30 May '21

Weak, as a case