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Probably

/ˈpɹɒbli/

In all likelihood.

Full Dictionary Entry

📖 Definitions of "Probably"

adverb

1
In all likelihood.

🔄 Synonyms of "Probably"

7 synonyms found via WordNet and Google Books.

Word	Definition
belikeverb	(archaic or dialectal, especially Northern England) Likely, probably, perhaps, haply.
plausibly	(modal) Probably; not falsifiably, based on available facts and general knowledge.
credibly	In a credible manner; believably.
in all probability	Very probably; almost certainly.
believably	In a believable way.
in all likelihood	with considerable certainty; without much doubt
likelynoun	Probable; having a greater-than-even chance of occurring.

↔️ Antonyms of "Probably"

Words with the opposite meaning.

Word	Definition
incredibly	(degree) To a great extent; extremely.
implausibly	In an implausible or dubious manner.
improbably	In an improbable manner; without probability.
unbelievably	(degree) To an extent not to be believed.

💡 Words with a Similar Meaning to "Probably"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
in all probability	Very probably; almost certainly.
likely	Probable; having a greater-than-even chance of occurring.
plausibly	(modal) Probably; not falsifiably, based on available facts and general knowledge.
believably	In a believable way.
credibly	In a credible manner; believably.
belike	(archaic or dialectal, especially Northern England) Likely, probably, perhaps, haply.
in all likelihood	with considerable certainty; without much doubt
possiblenoun	(comparable) Capable of being done or achieved; feasible.
conceivably	In a conceivable manner; possibly.
possibly	(modifying a clause or predicate) Perhaps; indicates that the proposition may be true (is not certainly false) regardless of any facts or circumstances known to, stated by or implied by the speaker.
maybe	Perhaps, possibly.
potentially	In a manner showing much potential; with the possibility of happening in a given way.
presumably	Able to be sensibly presumed.
putatively	In a putative manner; according to belief.
mustnoun	To do as a requirement; indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a failure or negative consequence.
guessverb	To reach a partly (or totally) unconfirmed conclusion; to engage in conjecture; to speculate.
supposedly	As a matter of supposition; in the beliefs or according to the claims of some people.
arguably	As can be supported or proven by sound logical deduction, evidence, and precedent, but without absolute certainty.
certainly	Without doubt, surely.
evidently	In a manner which makes the fact or conclusion evident; obviously; as may be clearly inferred.