Invalid sister Synonyms

Invalid replaced

Definitions for Invalid


  • (adjective) chronically or repeatedly suffering from poor health
  • (adjective) having no legal or binding force
  • (adjective) not being in agreement with what is true

Synonyms for phrase

IS abbreviation

IS is an abbreviation for Invalid Sister
What does IS stand for?
IS stands for "Invalid 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