First Known Use: 1911
Dictionary
Optimist
noun Op·ti·mist \ˈäp-tə-mist\
Definition of OPTIMIST
: a member of a major international service club
ADVERTISEMENT
Origin of OPTIMIST
Optimist (Club)
OPTIMIST Defined for Kids
optimist
noun op·ti·mist \ˈäp-tə-məst\
Definition of OPTIMIST for Kids
: a person who habitually expects good things to happen
Learn More About OPTIMIST
Browse
ADVERTISEMENT
Seen & Heard
What made you want to look up Optimist? Please tell us where you read or heard it (including the quote, if possible).