Unanswered penumbra Synonyms

Definitions for Unanswered


  • (adjective) not returned in kind

Synonyms for phrase

UP abbreviation

UP is an abbreviation for Unanswered Penumbra
What does UP stand for?
UP stands for "Unanswered Penumbra"

Definitions for Penumbra


  • (noun) partial darkness due to the obstruction of light rays
  • (noun) something that covers or conceals like a piece of cloth
  • (noun) a fringe region of partial shadow around an umbra