Modifying an abstract noun (esp. a quality): great in amount or degree; = much, adj. 1d. Now rare.

Considerable in amount, degree, quality, or intensity. Obsolete.

Of considerable size or extent; great, big. Designating a quantity, amount, measure, etc., of relatively great magnitude or extent.

Of material things: a great number or quantity of; a great deal of; many, much. Now rare except in extended use in great smoke n. at compounds 1e.

Great in amount or degree. Obsolete.

Of a thing, action, event, etc.: considerable; very great in amount, extent, or degree. In later use chiefly colloquial.

A thousand times a thousand; numbering a thousand thousands; (often indefinitely or hyperbolically) a very great many, countless. (rare in early use.)

Great in size, force or degree; large, mighty, impressive. Obsolete.

Large in amount. Obsolete.

Of an immaterial thing: grand or impressive in scale; substantial in import or effect. Now frequently in weakened senses: far-reaching, very…

Of an immaterial thing: great, substantial, dense, impressive.

Weighty because of the quantity present; hence, in large quantity or amount, abundant. Also of timber: consisting of large trees (U.S.).

Characterized by magnitude; great, significant, imposing.

colloquial (chiefly Irish English and U.S.). Great in number, quantity, or degree; considerable. Cf. mighty, adj. 3.

colloquial (originally North American). Of high intensity or degree; very great; enormous; considerable, outright, complete. Cf. mighty, adj. 3.

figurative. Large in amount, big. slang (originally U.S.). tall order, something expected to be hard to achieve or fulfil: cf. big (large, strong)…

Weighty, heavy; hard, grievous. Also, large or significant in size, and as adverb, ‘powerfully’, exceedingly.

colloquial (originally U.S.). Great, huge; powerful, impressive. Frequently as an intensifier, following big, great, etc. Cf. stonking, adj.

Considerable, huge; ultimate, total.