probably
Americanadverb
adverb
Usage
What does probably mean? Probably means most likely or in all likelihood. Probably is the adverb form of the adjective probable, meaning “very likely to occur or be true.” Probably is used when you think something will happen or turn out to be true, but you’re not certain enough to say it definitely will. Example: My flight will probably arrive within the next few hours, but I can’t guarantee it.
Etymology
Origin of probably
Explanation
If something probably will happen, it's likely. If it probably won't happen, don't get your hopes up. This is a word for things that are likely to happen or just believable. If your dinner is gone and your dog looks guilty, the dog probably jumped on the table to eat it. If someone moved all the furniture around while you were sleeping, you probably would have noticed. Given all the billions of stars in the sky, there's probably life out there, but who knows if we'll ever meet it. You probably like some foods better than others.
Vocabulary lists containing probably
Jim Burke's Academic Vocabulary List
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SHSAT: Language of the Test
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Cormac McCarthy's "The Road"
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Probably because at the time many of the time signatures and chordal progressions that Miles used were over the head of a young guitar player still functioning in the blues and folk idioms.
From Los Angeles Times • May 25, 2026
Probably the largest sale in dollar terms was Berkshire’s move to cut its stake in Chevron by about 46 million shares to 84 million shares.
From Barron's • May 15, 2026
Probably not — but it will get worse before it gets better.
From MarketWatch • May 13, 2026
“I think we have sufficient capacity to meet the forecast that we intend. Is that the right number? Probably not, but we will see.”
From The Wall Street Journal • May 8, 2026
Probably because she was so embarrassed about not being cool.
From Absolutely Almost by Lisa Graff
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
