day one

American  

noun

1. (often initial capital letters) the very first day or beginning of something.

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Etymology

Origin of day one

First recorded in 1975–80

Example Sentences

They become the first winners of the UK version of the show to win as a pair of traitors, which is even more impressive when you remember that they were chosen as traitors on day one.

From BBC

“We’re in the nostalgia business and have been since day one,” says Ken Parks, corporate vice president of planning and design at Six Flags Entertainment, the parent company of dozens of theme parks across the country, including Knott’s Berry Farm and Cedar Point in Ohio.

From The Wall Street Journal

"He's always been a good kid and very confident in himself. From day one he asserted what his goals were going to be," says Rimmer.

From BBC

"He said 'I'm going to be the best ever. I'm going to be a world champion. I'm going to be the number one superstar in the sport.' He said that from day one."

From BBC

A deadly storm this week dumped nearly six months of rain on the Greek capital Athens in less than a day, one of the country's top weather experts told AFP on Thursday.

From Barron's

Related Words

• birth
• creation
• dawn
• inauguration
• inception
• introduction
• onset
• opening
• outset
• starting point
• top