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.

Doubtless he’ll have thoughts on A24’s upcoming remake, which will be helmed by Michaela Coel and one of Elon Musk’s lawyers.

From Slate • Jun. 11, 2026

Doubtless 2026 will produce its own set of neologisms.

From The Wall Street Journal • Dec. 15, 2025

Doubtless, there is waste, fraud and abuse that could be thoughtfully and deliberately carved out.

From Los Angeles Times • Mar. 16, 2025

Doubtless, some of what has prompted these defections is both parochial and personal in nature.

From BBC • Jan. 2, 2025

Doubtless it is all to do with our historic impulse to tame and exploit the wilderness, but America’s attitude to nature is, from all sides, very strange if you ask me.

From "A Walk in the Woods" by Bill Bryson

doubtless

Example Sentences

Related Words