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Added 7 October 2026

probably

/ˈpɹɒb.ə.bli/ adverb

In Latin: probabiliter, fortasse, fortassis Wiktionary

adverb Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about probably at Wordnik → Where our words come from →

With considerable certainty; without much doubt.
He is probably out of the country
Easy to believe on the basis of available evidence.
he talked plausibly before the committee

Origin

From Middle English probably, probabily, equivalent to probable + -ly.

From Wiktionary, via Kaikki.org (CC BY-SA)

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