Blue or grey.

Of a bluish or bluish-grey colour. Cf. perse, adj. Obsolete.

Resembling water in colour; light grey or pale blue. Also of a colour: watery, weak, pale. Obsolete.

Grey, greyish blue, light blue.

Modifying colour words to form nouns and adjectives, as bluish-brown, bluish-green, bluish-grey, bluish-purple, etc.

Of a bluish-grey colour.

Similative, as water-clear, water-cold, †water weak, etc., adjs.

With names of colours, as slate-blue, slate-brown, slate-grey.

Of the colour of slate, usually bluish-grey.

Grey; spec. in Zoology and Botany, bluish grey, pearl-grey. (For an aberrant use see quot. 1826.)

Having no decided colour; of a brownish or greyish appearance. Also figurative and in figurative contexts.

Slate-coloured.

Natural History. = schistose, adj. 4.

Somewhat resembling the colour of slate.

Of the colour of powder blue. Also in compounds, as powder-blue-grey adj.