Like a too-thin soup (6)
I believe the answer is:
watery
(Other definitions for watery that I've seen before include "Overly diluted, thin" , "(Of food) thin, tasteless" , "Insipid" , "Aqueous" , "Weak, too diluted" .)
I believe the answer is:
watery
(Other definitions for watery that I've seen before include "Overly diluted, thin" , "(Of food) thin, tasteless" , "Insipid" , "Aqueous" , "Weak, too diluted" .)