The year dot Definition 1 of 1Pro Tip 1/3Long Past Used to describe a time that's so far back it's not specific. This building has been here since the year dot. Pro Tip 2/3Hyperbolic Sense It's an exaggeration and isn't meant to be taken literally. I've been waiting here since the year dot! Pro Tip 3/3Emphasis on Continuity Emphasizes that something has continued for a very long time without change. Their family tradition goes back to the year dot.