Unreliable difficult Synonyms

Definitions for Unreliable


UD abbreviation

UD is an abbreviation for Unreliable Difficult
What does UD stand for?
UD stands for "Unreliable Difficult"

Definitions for Difficult


  • (adjective) requiring considerable physical or mental effort
  • (adjective) requiring exceptional skill or caution in performance or handling
  • (adjective) not easy ; requiring great physical or mental effort to accomplish or comprehend or endure