Doubtless you have heard the news.
Source: tatoeba (40586)
Doubtless
//ˈdaʊ̯tləs//
Synonyms for "doubtless" (89 found)
Ranked by relevance and common usage.
Closest matches (18)
Strong matches (27)
Related words (44)
Adverb(6 words)
Adverb(1 words)
Adjective(2 words)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Antonyms
3 entriesSynonyms
2 entriesderived
2 entriesderived from
2 entriesdistinct from
1 entriesrelated to
7 entriesTranslations
27 translations across 13 languages.
Bulgarian
3 entries- безспорно adj (characterized by no doubt)
- несъмнено adj (characterized by no doubt)
- сигурно adj (characterized by no doubt)
Czech
1 entries- nepochybný adj (characterized by no doubt)
Danish
1 entries- utvivlsomt adv (without question)
Dutch
2 entries- ongetwijfeld adv (without question)
- zonder twijfel adv (without question)
Esperanto
2 entries- senduba adj (characterized by no doubt)
- sendube adv (without question)
Finnish
1 entries- epäilemättä adv (without question)
French
3 entries- indubitablement adv (without question)
- sans aucun doute adv (without question)
- sans nul doute adv (without question)
German
3 entries- zweifellos adj (characterized by no doubt)
- zweifelsfrei adj (characterized by no doubt)
- zweifellos adv (without question)
Old Norse
2 entries- iflauss adj (characterized by no doubt)
- iflaust adv (without question)
Polish
1 entries- bez wątpliwości adj (characterized by no doubt)
Russian
1 entries- несомне́нный adj (characterized by no doubt)
Spanish
3 entries- indudable adj (characterized by no doubt)
- sin duda adj (characterized by no doubt)
- indudablemente adv (without question)
Swedish
4 entries- tveklös adj (characterized by no doubt)
- tveklöst adv (without question)
- utan tvivel adv (without question)
- utan tvivel adv (without question)
Sample sentences
18 total sentences available.
You are doubtless aware of his absence.
Source: tatoeba (282949)
It is doubtless that he was murdered.
Source: tatoeba (283676)
He will doubtless be late.
Source: tatoeba (289669)
Showing 4 of 18 available sentences.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.