at the latest
not later than
We need to make a decision by Friday at the latest.
Antonym: at the earliest
However, even during the preparations for action, we laid our plans in such a manner that should there be progress through diplomatic negotiation, we would be well prepared to cancel operations at the latest moment that communication technology would have permitted. Hideki Tōjō
As always, the British especially shudder at the latest American vulgarity, and then they embrace it with enthusiasm two years later. Alistair Cooke
I was sick these days here is what prevented me from delivering my stones last Friday as I promised you I am in the purgations it is better and I hope to send my stones Tuesday at the latest... Bien a vous, - h. Daumier. Honore Daumier
Elections BC recommends voters mail their completed package by this Saturday, October 17, at the latest. Source: Internet
History main Prehistory main According to archaeological evidence, the area now comprising Finland was settled at the latest around 8500 BCE during the Stone Age as the ice sheet of the last ice age receded. Source: Internet
Both scholars conclude that the evidence seems to imply the prose existed by early 1594 at the latest. Source: Internet