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Dictionary.com

in all likelihood

ADVERB
apparently
Synonyms
STRONGEST
allegedly ostensibly possibly probably supposedly
WEAK
as if as though at a glance at first sight intuitively it appears that it seems that most likely on the face of it outwardly plausibly professedly reasonably reputably speciously superficially tangibly to all appearances
Antonyms
STRONGEST
improbably unlikely
WEAK
dubiously equivocally questionably uncertain
ADVERB
likely
Synonyms
STRONGEST
presumably
WEAK
assumably doubtless doubtlessly in all probability like as not most likely no doubt presumptively prima facie seemingly to all appearances
Antonyms
WEAK
improbably unlikely
ADVERB
ostensively
Synonyms
WEAK
allegedly as if as though at a glance at first sight evidently externally intuitively it appears that it seems that most likely on the face of it ostensibly outwardly plausibly possibly probably professedly reasonably reputably seemingly speciously superficially supposedly tangibly to all appearances
ADVERB
presumably
Synonyms
STRONGEST
apparently doubtless probably seemingly supposedly surely
STRONG
presumptively
WEAK
assumably credible doubtlessly hypothetically in all probability indubitably it would seem most likely on the face of it theoretically unquestionably
Antonyms
STRONGEST
improbably questionably uncertain unlikely
WEAK
doubtfully
ADVERB
probably
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 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.

If companies don’t want to grow, or banks want to lend less because credit conditions get tighter, then the economy and, in all likelihood, the stock market are likely to suffer.

From MarketWatch • May 7, 2026

That said, some sources in Reform now suggest that a more realistic goal would be to become biggest opposition party, in all likelihood behind Plaid Cymru.

From BBC • Feb. 2, 2026

UBTech's robots are designed for industrial use rather than tennis courts and, in all likelihood, the video was produced solely to demonstrate the agility of the Walker S2 to attract business customers.

From Barron's • Jan. 9, 2026

Little Foot demonstrates in all likelihood he's right about that.

From Science Daily • Jan. 5, 2026

Collision with a floating mine might ex­plain explosion, but seems fanciful, besides highly unlikely as sinking started at stem, which in all likelihood would mean that hull breach was at stem too.

From "Life of Pi" by Yann Martel