square one

American  

noun

1. a starting point; initial stage or step.

   If this plan fails, we'll have to go back to square one.

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Etymology

Origin of square one

First recorded in 1955–60; alluding to board games in which a player is penalized by being forced to return to the starting point

Example Sentences

If not, we are back to square one.

From MarketWatch • Apr. 9, 2026

But he quickly found himself back to square one; back to where it all started.

From Los Angeles Times • Mar. 13, 2026

He had to begin at square one and get to square 100.

From Salon • Feb. 20, 2026

Explain your current level of tech knowledge: If you’ve never touched code or a script before, tell the AI you’re starting from square one and it should explain every single step you need to take.

From The Wall Street Journal • Feb. 16, 2026

Katz, it was quickly evident, was starting from square one—actually, several score pancake breakfasts to the wrong side of square one.

From "A Walk in the Woods" by Bill Bryson