Definition of Pollyanna noun from the Oxford Advanced Learner's Dictionary

 

Pollyanna

 noun
noun
BrE BrE//ˌpɒliˈænə//
 
; NAmE NAmE//ˌpɑːliˈænə//
 
[usually singular]
 
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a person who is always cheerful and expects only good things to happen More Like This Expressions from literary sources Alice in Wonderland, Casanova, Cassandra, Don Juan, Dorian Gray, Falstaffian, Frankenstein, Jekyll and Hyde, Lilliputian, Lothario, Orwellian, Pandora’s box, Peter Pan, Pied Piper, Pollyanna, Rip Van Winkle, Ruritanian, Scrooge, Shangri-La, Sherlock, Stepford Wife, Svengali, Tweedledum and Tweedledee, Utopia, Walter MittySee worksheet. From the name of a character created by the US writer of children’s stories, Eleanor Hodgman Porter. Culture The character appears in the novels Pollyanna (1913) and Pollyanna Grows Up (1915). Pollyanna was later a silent film (1920) with Mary Pickford and a Walt Disney film (1960) with Hayley Mills. Word Origin early 20th cent.: the name of the optimistic heroine created by Eleanor Hodgman Porter (1868–1920), American author of children's stories.
See the Oxford Advanced American Dictionary entry: Pollyanna