in all probability

Idioms  

1. Also, in all likelihood. Most likely, almost certainly. For example, In all probability we'll be home for Christmas. This expression was first recorded in 1617, the variant in 1664.

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Example Sentences

Though he wrote an op-ed for the Wall Street Journal entitled, “Let’s Hit ‘Pause’ Before Altering Humankind,” Baltimore admitted later that genome-editing would in all probability take place sooner rather than later.

From Los Angeles Times • Sep. 8, 2025

The prospect of a grand finale extinguished, both for the innings and now, in all probability, for the tournament, too.

From BBC • Aug. 22, 2025

“Everybody is going to go through it again, and the outcome in all probability is going to be the same,” said Jim Pasco, the executive director of the National Fraternal Order of Police.

From New York Times • Jun. 8, 2023

Those behind the attempt have never been found — and in all probability, never will be.

From Washington Post • Apr. 11, 2023

I felt cold and dismayed: my worst fears then were probably true: he had in all probability left England and rushed in reckless desperation to some former haunt on the Continent.

From "Jane Eyre" by Charlotte Brontë

Related Words

• apparently
• doubtless
• no doubt
• perhaps
• possibly
• presumably
• seemingly