Simple Definition of Pollyanna
: someone who thinks good things will always happen and finds something good in everything
Examples of pollyanna in a sentence
I'm no Pollyanna, but I do think some good will come out of this.
Origin and Etymology of pollyanna
Pollyanna, heroine of the novel Pollyanna (1913) by Eleanor Porter †1920 American fiction writer
First Known Use: 1921
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