Environmentalists are opposing the Keystone XL pipeline.
Source: tatoeba (2772465)
Keystone
//ˈkiː.stəʊn//
Synonyms for "keystone" (81 found)
Ranked by relevance and common usage.
Closest matches (17)
Strong matches (24)
Related words (40)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
2 entriesSynonyms
2 entriesderived
9 entriesderived from
2 entrieshas context
1 entriesis a
1 entriespart of
1 entriesrelated to
15 entriesTranslations
69 translations across 44 languages.
Ancient Greek
1 entries- ὀμφαλός noun (the top stone of an arch)
Arabic
1 entries- حجر العقد noun (the top stone of an arch)
Armenian
1 entries- պորտաքար noun (the top stone of an arch)
Azerbaijani
1 entries- açardaşı noun (the top stone of an arch)
Basque
1 entries- giltzarri noun (the top stone of an arch)
Bulgarian
2 entries- ключ noun (the top stone of an arch)
- крайъгълен камък noun (something on which other things depend for support)
Catalan
1 entries- clau de volta noun (the top stone of an arch)
Czech
1 entries- svorník noun (the top stone of an arch)
Danish
4 entries- grundprincip noun (something on which other things depend for support)
- hovedpunkt noun (something on which other things depend for support)
- kardinalpunkt noun (something on which other things depend for support)
- kilesten noun (the top stone of an arch)
Dutch
1 entries- sluitsteen noun (the top stone of an arch)
Esperanto
2 entries- ĉefŝtono noun (the top stone of an arch)
- ŝlosoŝtono noun (the top stone of an arch)
Estonian
1 entries- päiskivi noun (the top stone of an arch)
Finnish
1 entries- lakikivi noun (the top stone of an arch)
French
4 entries- claveau noun (the top stone of an arch)
- clef d'arc noun (the top stone of an arch)
- clef de voûte noun (the top stone of an arch)
- clef de voûte noun (something on which other things depend for support)
Galician
1 entries- clave noun (the top stone of an arch)
Georgian
2 entries- საჭექი noun (the top stone of an arch)
- საჭექი ქვა noun (the top stone of an arch)
German
2 entries- Scheitelstein noun (the top stone of an arch)
- Schlussstein noun (the top stone of an arch)
Greek
1 entries- σφηνόλιθος noun (the top stone of an arch)
Hebrew
1 entries- אבן הראשה noun (the top stone of an arch)
Hungarian
1 entries- zárókő noun (the top stone of an arch)
Icelandic
2 entries- höfuðsteinn noun (the top stone of an arch)
- lokasteinn noun (the top stone of an arch)
Ido
1 entries- klozostono noun (the top stone of an arch)
Italian
1 entries- chiave di volta noun (the top stone of an arch)
Japanese
1 entries- キーストーン noun (the top stone of an arch)
Kannada
1 entries- ನೆತ್ತಿಗಲ್ಲು noun (the top stone of an arch)
Korean
1 entries- 쐐기돌 noun (the top stone of an arch)
Macedonian
1 entries- клучен камен noun (the top stone of an arch)
Maltese
1 entries- ċavi noun (the top stone of an arch)
Manx
2 entries- ard-chlagh noun (the top stone of an arch)
- ogher noun (the top stone of an arch)
Norwegian
1 entries- kronestein noun (the top stone of an arch)
Occitan
2 entries- clau de vòlta noun (the top stone of an arch)
- clau de vòlta noun (something on which other things depend for support)
Old Armenian
1 entries- պորտ noun (the top stone of an arch)
Persian
1 entries- سنگ تاج noun (the top stone of an arch)
Plautdietsch
1 entries- Akjsteen noun (the top stone of an arch)
Polish
4 entries- filar noun (the top stone of an arch)
- klucz noun (the top stone of an arch)
- podstawa noun (the top stone of an arch)
- zwornik noun (the top stone of an arch)
Portuguese
1 entries- pedra angular noun (the top stone of an arch)
Romanian
1 entries- cheie de boltă noun (the top stone of an arch)
Russian
3 entries- замко́вый ка́мень noun (the top stone of an arch)
- замко́вый ка́мень noun (something on which other things depend for support)
- замо́к noun (the top stone of an arch)
Slovak
1 entries- svorník noun (the top stone of an arch)
Spanish
2 entries- clave noun (the top stone of an arch)
- dovela noun (the top stone of an arch)
Swedish
2 entries- nyckelstenen noun (the top stone of an arch)
- slutsten noun (the top stone of an arch)
Tamil
1 entries- கீஸ்டோன் noun (the top stone of an arch)
Ukrainian
3 entries- замковий камінь noun (the top stone of an arch)
- замок noun (the top stone of an arch)
- ключ noun (the top stone of an arch)
Vietnamese
1 entries- rường cột noun (something on which other things depend for support)
Sample sentences
8 total sentences available.
Sex appeal is the keystone of our civilization.
Source: tatoeba (6549880)
Algeria is the keystone of stability in North Africa.
Source: tatoeba (8190275)
Salmon are a keystone species.
Source: tatoeba (8894590)
Showing 4 of 8 available sentences.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.