1 composed, quiet, and reserved; modest.
2 affectedly shy and quiet; coy.
3 decorous (a demure high collar).
Derivatives:
demurely adv. demureness n.
Etymology: ME, perh. f. AF demureacute f. OF demoreacute past part. of demorer remain, stay (as DEMUR): infl. by OF meuumlr f. L maturus ripe
Useful english dictionary. 2012.