Synonym of blue wall of silence

(US politics) A group of states known for consistently voting Democratic in presidential elections from 1992 through 2012. / Alternative form of blue wall of silence

(obsolete, brewing) Afterwort, partially fermented wort. / A semiprecious mineral mined in Derbyshire, a form of fluorite with bands of a purple-blue or yellowish colour. / (US regional) Skimmed milk.

A dark grey or indigo form of galena, used as a pigment.

Alternative form of blue-sky

Alternative form of blue-skies / (US, finance, dated) Involving or relating to fake stocks and bonds.

(transitive, business) To engage in blue-sky thinking about.

A moderate greenish blue. / academy blue:

(inorganic chemistry) A complex oxide derived from a heteropoly acid of molybdenum and another element, typically phosphorus

A pigment prepared from calcined lapis lazuli; ultramarine. / A blue pigment prepared from carbonate of copper.