Observant sister Synonyms

Observant replaced

Definitions for Observant


  • (adjective) paying close attention usually for the purpose of anticipating approaching danger or opportunity
  • (adjective) having the mind fixed on something
  • (adjective) quick to notice; showing quick and keen perception

Synonyms for phrase

OS abbreviation

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

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