prob·​a·​bly ˈprä-bə-blē How to pronounce probably (audio)
: insofar as seems reasonably true, factual, or to be expected : without much doubt
is probably happy
it will probably rain

Examples of probably in a Sentence

The impact probably added all but the last few percent of Earth's mass and set the stage for Earth's and the Moon's subsequent evolution. Mark Wilson, Physics Today, February 2008
It was no secret that McKay preferred the thrill of victory to the agony of defeat, and that, along with his innocent optimism and snark-free sincerity, probably makes him hopelessly old-fashioned. Richard Hoffer, Sports Illustrated, 16 June 2008
But what these newly inaugurated gym rats probably don't know is that besides buffing up their bodies for summer, they're also buffing up their brains. Christen Brownlee, Science News, 25 Feb. 2006
It will probably rain today. They will probably be here soon. It was probably the best concert I've ever been to. There were probably about 150 people at the wedding. “Are you going to the picnic?” “Probably.” “Can you finish painting the room today?” “Probably not.” See More
Recent Examples on the Web Those familiar with Marcus Samuelsson and his restaurants have probably experienced Streetbird before, but most have never had it quite this close to home. Aly Walansky, Forbes, 15 Feb. 2024 Many of the disappeared are probably among the more than 50,000 unidentified bodies that have been collected since 2006 and are buried in public cemeteries or still stored in morgues. Patrick J. McDonnell, Los Angeles Times, 15 Feb. 2024 In other words, this off-kilter story probably won’t be suited for children who watch the TV show. Rebecca Rubin, Variety, 15 Feb. 2024 Despite the harsh climates and punishing winters, animals like mites and flies, as well as plants like bluegrass, have made it to the far south in recent decades, probably introduced by humans. Popular Science, 15 Feb. 2024 This is probably the most challenging aspect of the equation; not just for North Texas, but any growing area. Eleanor Dearman, Fort Worth Star-Telegram, 15 Feb. 2024 Solution: Between vacant houses and vacant lots, there are probably 15,000 homes waiting to be renovated or built in Baltimore, presenting a real opportunity for all income levels. Dan Rodricks, Baltimore Sun, 15 Feb. 2024 That’s $700,000 of tangible cash that’s gone; given to a landlord who probably paid off the whole building with just her rent alone and banked the rest. Jasmine Browley, Essence, 14 Feb. 2024 Again, this all makes sense for companies trying to turn a profit, and a world of sanitized, corporate A.I. is probably better than one with millions of unhinged chatbots running amok. Kevin Roose, New York Times, 14 Feb. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'probably.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


see probable entry 1

First Known Use

1600, in the meaning defined above

Time Traveler
The first known use of probably was in 1600

Dictionary Entries Near probably

Cite this Entry

“Probably.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2024.

Kids Definition


prob·​a·​bly ˈpräb-(ə-)blē How to pronounce probably (audio)
: without much doubt : very likely

More from Merriam-Webster on probably

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