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

“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

There will in all probability soon be larger ones.

From Salon • Jul. 27, 2022

The story was clever enough to have had by itself, in all probability, the desired effect; but Poseidon, the most bitter of all the gods against Troy, contrived an addition which made the issue certain.

From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton

Related Words

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