n.
Pronunciation: ' ō -v ə r- ˌ d ō s
Function: noun
Date: 1700
1 : too great a dose (as of a therapeutic agent) also : a lethal or toxic amount (as of a drug)
2 : an excessive quantity or amount <an overdose of fun>
– over · dos · age \ ˌ ō -v ə r- ' d ō -sij \ noun