Definitions

doubtless

[dout-lis] / ˈdaʊt lɪs /

ADVERB

certainly; most likely

Synonyms

STRONGEST

absolutely clearly presumably surely undoubtedly unequivocally unquestionably

WEAK

apparently assuredly easily for sure indisputably no ifs ands or buts of course ostensibly positively precisely probably seemingly supposedly truly without doubt

Antonyms

STRONGEST

doubtfully indefinite questionably

WEAK

doubted doubtedly dubious improbably questionable 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.

They are the current T20 World Cup holders but were flummoxed by England's spinners and doubtless their opponents at the tournament will have taken note.

From BBC • May 25, 2026

Starting at fly-half against Italy on Saturday, she will doubtless have the opportunity to extend her streak, even if England are unlikely to need more last-gasp, long-range heroics.

From BBC • May 6, 2026

They doubtless have some things to tell us, once we lower our voices and listen.

From The Wall Street Journal • Apr. 11, 2026

Lorne Michaels doubtless has her on speed dial.

From Los Angeles Times • Mar. 23, 2026

I didn’t see him again after that, but I was certain that he’d reached the security of camp, where Chuldum and Arita would doubtless be waiting with hot tea.

From "Into Thin Air" by Jon Krakauer

doubtless

Example Sentences

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