Definitions

probably

[prob-uh-blee] / ˈprɒb ə bli /

ADVERB

likely to happen

Synonyms

STRONGEST

apparently doubtless no doubt perhaps possibly presumably seemingly

STRONG

believably plausibly

WEAK

as likely as not as the case may be assumably dollars to doughnuts expediently feasibly imaginably in all likelihood in all probability like enough maybe most likely one can assume perchance practicably presumptively reasonably to all appearances

Antonyms

STRONGEST

improbably uncertain unlikely

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.

While an object’s orbital path around the Sun can be found in a short number of years, any gravitational effects probably need four to five orbits to notice any subtle changes.

From Science Daily • Jun. 9, 2026

"By sending this letter, they probably wanted to get ahead of it."

From Barron's • Jun. 8, 2026

We know what a good player he is, so he probably needed that change.

From BBC • Jun. 8, 2026

If you suspect you’ll have a high tax bill, filing an extension probably won’t allay your concern.

From MarketWatch • Jun. 8, 2026

There is so much we would like to know but probably never will about Phineas's time in Chile.

From "Phineas Gage" by John Fleischman

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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