Unstable difficulty Synonyms

Definitions for Unstable


  • (adjective) not being in or able to maintain a state of balance
  • (adjective) likely to change frequently, suddenly, or unexpectedly
  • (adjective) not staying constant

UD abbreviation

UD is an abbreviation for Unstable Difficulty
What does UD stand for?
UD stands for "Unstable Difficulty"

Definitions for Difficulty


  • (noun) something that is a cause for suffering or special effort especially in the attainment of a goal
  • (noun) something that makes a situation more complicated or difficult
  • (noun) a feeling or declaration of disapproval or dissent