Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ăquātus, a, um, P. a. [as if from aquo, āre], mixed with water; hence, watery, thin: lac vernum aquatius aestivo, Plin. 28, 9, 33, § 124; so Sen. Q. N. 1, 3 fin.; Pall. 4, 1: vinum aquatissimum, Aug. Conf. 6, 2.
Adv.: ăquātē, with water, by the use of water; comp.: temperare aliquid aquatius, Plin. Val. 1, 10.
Sup.: aquatissime vinum temperare, Cael. Aur. Tard. 1, 4.