Obsolete usage Synonyms

Obsolete replaced

Definitions for Obsolete


  • (adjective) having passed its time of use or usefulness
  • (adjective) no longer in use

Synonyms for phrase

OU abbreviation

OU is an abbreviation for Obsolete Usage
What does OU stand for?
OU stands for "Obsolete Usage"

Usage replaced

Definitions for Usage


  • (noun) the act or practice of employing something for a particular purpose
  • (noun) the act of using
  • (noun) accepted or habitual practice