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Webster 1913 Edition

adv.

In a demure manner; soberly; gravely; – now, commonly, with a mere show of gravity or modesty.

They . . . looked as

demurely

as they could; for ’t was a hanging matter to laugh unseasonably.

Dryden.

adv.

With grave, solemn countenance; with a fixed look; with a solemn gravity.

Esops damsel sat demurely at the boards end.

demurely ‎(comparative more demurely, superlative most demurely)