Antonyms of adj grumous

1 sense of grumous

Sense 1
coagulate, coagulated, curdled, grumous, grumose -- (transformed from a liquid into a soft semisolid or solid mass; "coagulated blood"; "curdled milk"; "grumous blood")

INDIRECT (VIA thick) -> thin -- (relatively thin in consistency or low in density; not viscous; "air is thin at high altitudes"; "a thin soup"; "skimmed milk is much thinner than whole milk"; "thin oil")

Similarity of adj grumous

1 sense of grumous

Sense 1
coagulate, coagulated, curdled, grumous, grumose -- (transformed from a liquid into a soft semisolid or solid mass; "coagulated blood"; "curdled milk"; "grumous blood")
       => thick (vs. thin) -- (relatively dense in consistency; "thick cream"; "thick soup"; "thick smoke"; "thick fog")