pol·ly·an·na·ish \| ̷ ̷ ̷ ̷|anə.ish\adjective orpol·ly·an·nish\-nish\ Usage: usually capitalized : resembling or suggesting a Pollyanna especially by having an optimistic nature characterized by a tendency to find good in everything < its Pollyannaish outlook and blatant self-esteem — Arthur Knight >