At no time or moment; on no occasion; not ever. In general use.

Never. Also: not at all. Now regional and poetic.

Coupled with early or soon (formerly also †ere or †rathe). See also early and late at early, adv. phrases 1. Cf. sooner or later at soon, adv. 9c.

Never.

Designating a festival celebrated later in the year than another sharing the same name or commemorating… a day that will never come; chiefly in…

humorous. when the devil is blind: at an infinitely remote date; never. Cf. on (at) the Greek Calends at calends, n. 3b, when hell freezes over at…

Phrases. on (at) the Greek Calends (Latin ad Græcas kalendas): humorous for Never; since the Greeks used no calends in their reckoning of time.

regional and colloquial. A nonsensical name used as an example of something non-existent or absurd. Chiefly in in the reign of Queen Dick and…

tomorrow come never: (on) a day that will never come; never. Now rare.

At no time; never.

see quots.; on Tib's Eve, never.