Pol·ly·an·na 
(pŏl′ē-ănə)
(pŏl′ē-ănə)n.
A person regarded as being foolishly or blindly optimistic.
[After the heroine of the novel Pollyanna, by Eleanor Hodgman Porter (1868-1920), American writer.]
- close-mouthed
- closemouthed
- close near the wind
- closeness
- close-order drill
- close out
- closeout
- closer
- close shave
- close/shutthe door on
- closet
- closet drama
- closeted
- closetful
- close the book on
- close to heart
- close to home bone
- close to home/the bone
- close to/near the wind
- close to one's heart
- close to the bone
- close to the wind
- close to the wind
- close-up
- closing