prob·​a·​bly | \ ˈprä-bə-blē How to pronounce probably (audio) , ˈprä(b)-blē \

Definition of probably

: insofar as seems reasonably true, factual, or to be expected : without much doubt is probably happy it will probably rain

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Synonyms & Antonyms for probably



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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.”
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Recent Examples on the Web And some of that response was probably what Al Qaeda was hoping for. Melanie Mason Staff Writer, Los Angeles Times, 11 Sep. 2021 There were probably 75 or 100 people just standing around watching, so there was a little bit of a crowd., 11 Sep. 2021 The Seahawks remain a huge public fave, which is probably why this line hasn't moved back toward a pick 'em. Scott Horner, The Indianapolis Star, 11 Sep. 2021 Given your usual critical and analytical nature, evaluating yourself probably isn't too difficult for you. Tarot Astrologers,, 11 Sep. 2021 Passwords are probably the single biggest consumer threat. Expert Panel®, Forbes, 10 Sep. 2021 This is probably the most perilous part of passing any major piece of domestic legislation. Daniel Strauss, The New Republic, 10 Sep. 2021 Such a workplace is also probably high in turnover. Claire Hastwell, Fortune, 10 Sep. 2021 Volatility in energy prices during the transition is probably a given. Andrew Stuttaford, National Review, 10 Sep. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'probably.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of probably

1600, in the meaning defined above

History and Etymology for probably

see probable entry 1

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Time Traveler for probably

Time Traveler

The first known use of probably was in 1600

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Dictionary Entries Near probably

probable word



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Statistics for probably

Last Updated

13 Sep 2021

Cite this Entry

“Probably.” Dictionary, Merriam-Webster, Accessed 19 Sep. 2021.

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More Definitions for probably



English Language Learners Definition of probably

: very likely : almost certainly


prob·​a·​bly | \ ˈprä-bə-blē How to pronounce probably (audio) \

Kids Definition of probably

: very likely With dark clouds like those, it will probably rain.

More from Merriam-Webster on probably

Nglish: Translation of probably for Spanish Speakers

Britannica English: Translation of probably for Arabic Speakers


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