greek kalends

CIDE DICTIONARY

greek kalends,  

 A time that will never come, as the Greeks had no calends.  [Webster 1913 Suppl.]

ROGET THESAURUS

greek kalends

Neverness

N neverness, absence of time, no time, dies non, Tib's eve, Greek Kalends, a blue moon, never, ne'er, at no time, at no period, on the second Tuesday of the week, when Hell freezes over, on no occasion, never in all one's born days, nevermore, sine die, in no degree.