The discovery will have a momentous effect on the treatment of cancer.
Source: tatoeba (44440)
Momentous
//moʊˈmɛn.təs//
Synonyms for "momentous" (120 found)
Ranked by relevance and common usage.
Closest matches (24)
Strong matches (36)
Related words (60)
high poweredhigh-poweredimperativeimportantinfluentialladenlandmarkleadingmagneticmajormajor leaguematerialmeaningfulmemorablemightymonocraticnamenecessaryof concernofficial
Show 36 more words
personablepersuasivephenomenalpivotalportentouspotentpowerfulpreeminentpregnantpressingprestigiousprominentpuissantrankingremarkablereputablerulingself-importantseniorserioussignalsolemnspecialstirringstrongsuasivesubstantialsuperiorsupremetellingtotalitarianvitalweightywinningworld shakingworld-shaking
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
derived
4 entriesderived from
1 entriesrelated to
6 entriessimilar
3 entriesTranslations
81 translations across 32 languages.
Arabic
1 entries- جَسِيم adj (of outstanding importance or great consequence)
Armenian
1 entries- կարևոր adj (of outstanding importance or great consequence)
Azerbaijani
1 entries- mühüm adj (of outstanding importance or great consequence)
Basque
2 entries- erabakigarri adj (of outstanding importance or great consequence)
- garrantzitsu adj (of outstanding importance or great consequence)
Bulgarian
1 entries- много важен adj (of outstanding importance or great consequence)
Catalan
4 entries- crucial adj (of outstanding importance or great consequence)
- crític adj (of outstanding importance or great consequence)
- decisiu adj (of outstanding importance or great consequence)
- definitiu adj (of outstanding importance or great consequence)
Czech
3 entries- důležitý adj (of outstanding importance or great consequence)
- významný adj (of outstanding importance or great consequence)
- závažný adj (of outstanding importance or great consequence)
Esperanto
1 entries- gravega adj (of outstanding importance or great consequence)
Estonian
1 entries- pöördeline adj (of outstanding importance or great consequence)
Finnish
4 entries- järisyttävä adj (of outstanding importance or great consequence)
- käänteentekevä adj (of outstanding importance or great consequence)
- merkittävä adj (of outstanding importance or great consequence)
- merkityksellinen adj (of outstanding importance or great consequence)
French
4 entries- capital adj (of outstanding importance or great consequence)
- considérable adj (of outstanding importance or great consequence)
- essentiel adj (of outstanding importance or great consequence)
- fatidique adj (of outstanding importance or great consequence)
Galician
4 entries- capital adj (of outstanding importance or great consequence)
- crucial adj (of outstanding importance or great consequence)
- momentoso adj (of outstanding importance or great consequence)
- primordial adj (of outstanding importance or great consequence)
German
4 entries- bedeutsam adj (of outstanding importance or great consequence)
- denkwürdig adj (of outstanding importance or great consequence)
- folgenreich adj (of outstanding importance or great consequence)
- folgenschwer adj (of outstanding importance or great consequence)
Hebrew
2 entries- חשוב adj (of outstanding importance or great consequence)
- רב חשיבות adj (of outstanding importance or great consequence)
Hungarian
2 entries- jelentős adj (of outstanding importance or great consequence)
- nagy jelentőségű/horderejű adj (of outstanding importance or great consequence)
Ido
2 entries- grava adj (of outstanding importance or great consequence)
- importanta adj (of outstanding importance or great consequence)
Italian
4 entries- critico adj (of outstanding importance or great consequence)
- cruciale adj (of outstanding importance or great consequence)
- epocale adj (of outstanding importance or great consequence)
- fondamentale adj (of outstanding importance or great consequence)
Japanese
1 entries- 重大な adj (of outstanding importance or great consequence)
Korean
1 entries- 중대하다 adj (of outstanding importance or great consequence)
Latin
1 entries- magnus adj (of outstanding importance or great consequence)
Manx
1 entries- frioosagh adj (of outstanding importance or great consequence)
Occitan
4 entries- capital adj (of outstanding importance or great consequence)
- considerable adj (of outstanding importance or great consequence)
- essencial adj (of outstanding importance or great consequence)
- fondamental adj (of outstanding importance or great consequence)
Old Armenian
1 entries- մեծ adj (of outstanding importance or great consequence)
Polish
4 entries- doniosły adj (of outstanding importance or great consequence)
- ważny adj (of outstanding importance or great consequence)
- wielkiej wagi adj (of outstanding importance or great consequence)
- znaczący adj (of outstanding importance or great consequence)
Portuguese
4 entries- capital adj (of outstanding importance or great consequence)
- crucial adj (of outstanding importance or great consequence)
- crítico adj (of outstanding importance or great consequence)
- importante adj (of outstanding importance or great consequence)
Romanian
1 entries- însemnat adj (of outstanding importance or great consequence)
Russian
2 entries- ва́жный adj (of outstanding importance or great consequence)
- знаменательный adj (of outstanding importance or great consequence)
Sanskrit
1 entries- गुरु adj (of outstanding importance or great consequence)
Spanish
3 entries- crucial adj (of outstanding importance or great consequence)
- importante adj (of outstanding importance or great consequence)
- memorable adj (of outstanding importance or great consequence)
Swedish
2 entries- betydelsefull adj (of outstanding importance or great consequence)
- viktig adj (of outstanding importance or great consequence)
Turkish
2 entries- mühim adj (of outstanding importance or great consequence)
- önemli adj (of outstanding importance or great consequence)
Vietnamese
2 entries- quan trọng adj (of outstanding importance or great consequence)
- trọng yếu adj (of outstanding importance or great consequence)
Sample sentences
12 total sentences available.
The falling of the Berlin Wall was truly a momentous occasion.
Source: tatoeba (625183)
James tweeted that the signing was a momentous occasion.
Source: tatoeba (8226645)
This incident could have momentous diplomatic consequences.
Source: tatoeba (8496039)
Showing 4 of 12 available sentences.
Keep exploring
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.