From Longman Dictionary of Contemporary Englishsimpersim‧per /ˈsɪmpə $ -ər/ verb [intransitive] SMILEto smile in a silly annoying way Betsy simpered at him as she spoke. a silly, simpering girl —simper noun [countable]→ See Verb tableOrigin simper (1500-1600) Perhaps from a Scandinavian language
