Tough nut to crack (5)
'tough nut to crack' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for acorn that I've seen before include "cup's content" , "Source of a great oak" , "old computer?" , "Fruit of the oak tree" , "from which something bigger may develop" .)
'tough nut to crack' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for poser that I've seen before include "Question - a sitter" , "Tricky clue" , "Difficult problem" , "Show-off" , "Artist's model" .)
'tough nut to crack' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for enigma that I've seen before include "Solution to mystery" , "Gamine being a bit of a puzzle" , "German military cipher machine" , "It's mysterious like gamine" , "WW2 code" .)