Meaning of the word sanguineness in English

What does sanguineness mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sanguineness

US /ˈsæŋ.ɡwɪn.nəs/
UK /ˈsæŋ.ɡwɪn.nəs/

Noun

the quality of being optimistic or positive, especially in an apparently difficult situation

Example:
Despite the challenges, her sanguineness about the project's success was infectious.
His inherent sanguineness allowed him to always see the silver lining.