simpering
adjective
[ ˈsɪmpərɪŋ ]
• affectedly coy or ingratiating.
• "she is clearly not a simpering female who can be pushed around"
simper
verb
• smile in an affectedly coy or ingratiating manner.
• "she simpered, looking pleased with herself"
Origin:
mid 16th century: of unknown origin; compare with German zimpfer ‘elegant, delicate’.