When something is bluish, it is blue but with a slight green hue. This happens because the light is reflecting off of the water molecules in the object.
The sky was bluish because of the way the light was reflecting off of the water.
The water in the river was bluish because of the way the light was reflecting off of the water.
adjective
of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky
Synonyms:
1
The panes of the window took on a bluish opaqueness.
2
The nacre is bluish or silvery white, and is iridescent on the posterior.
3
The backdrop is bluish in color.
4
Is of a violent bluish colour on the belly.
5
Flowers are bluish, greenish or cream.
6
It can be normal or bluish in color.
7
It exhibits a bluish green fluorescence.
8
It is bluish green in neutral solution.
9
It was a pale, almost bluish green.
10
Black or bluish black in colour.