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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.

Lorne Michaels doubtless has her on speed dial.

From Los Angeles Times • Mar. 23, 2026

Their opinions, doubtless influenced by their own competitive positions, reflect layers of the same, complex issue.

From BBC • Mar. 15, 2026

But he will doubtless hope to continue a post-season in which refereeing decisions have largely been uncontroversial -- with one major exception.

From Barron's • Feb. 3, 2026

But it also doubtless served a psychological need for the president.

From Salon • Jan. 4, 2026

She probably went out there, probably once and then no more, and doubtless she did not ask, not even Judith, perhaps knowing she would not be told or perhaps because she was waiting.

From "Absalom, Absalom!" by William Faulkner