We don't have synonyms for decembers yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are december, remembers and deceivers.
(n) :
The twelfth and last month of the Gregorian calendar, following November and preceding the January of the following year, containing the southern solstice.
(n) :
A surname.
(n) :
(rare) A female given name transferred from the month name [in turn from English].
(n) :
The twelfth and last month of the Gregorian calendar, following November and preceding the January of the following year, containing the southern solstice.
(n) :
A surname.
(n) :
(rare) A female given name transferred from the month name [in turn from English].