As verbs the difference between overdate and overdare
is that overdate is to date later than the true or proper period while overdare is to dare too much or rashly; to be too daring.
As a noun overdate
is a coin in which one date is superimposed over traces of another (due to reuse of a die.
overdate
English
Noun
(
en noun)
A coin in which one date is superimposed over traces of another (due to reuse of a die)
Verb
(
overdat)
To date later than the true or proper period.
- (Milton)
(
Webster 1913)