Old conundrum Synonyms

Definitions for Old

(adjective) being of advanced years and especially past middle age
(adjective) dating or surviving from the distant past
(adjective) having been such at some previous time

OC abbreviation

OC is an abbreviation for Old Conundrum

What does OC stand for?

OC stands for "Old Conundrum"

Conundrum replaced

old difficulty

old labyrinth

Definitions for Conundrum

(noun) something hard to understand or explain
(noun) a difficult problem