Optimistic sister Synonyms

Optimistic replaced

Definitions for Optimistic


  • (adjective) having qualities which inspire hope
  • (adjective) expecting the best in this best of all possible worlds
  • (adjective) expecting the best

Synonyms for phrase

OS abbreviation

OS is an abbreviation for Optimistic Sister
What does OS stand for?
OS stands for "Optimistic Sister"

Sister replaced

Definitions for Sister


  • (noun) a female person who has the same parents as another person
  • (noun) a female person who is a fellow member of a sorority or labor union or other group
  • (noun) ( slang ) sometimes used as a term of address for attractive young women