Rare unless Synonyms

We can't find synonyms for the phrase "Rare unless", but we have synonyms for terms, you can combine them.

RU abbreviation

RU is an abbreviation for Rare Unless
What does RU stand for?
RU stands for "Rare Unless"

Definitions for Rare


  • (adjective) being out of the ordinary
  • (adjective) having qualities that appeal to a refined taste
  • (adjective) not often occurring or repeated