sisu.
perseverance, doggedness, stubbornness, grit, stamina, spunk, determination, courage, guts, tenacity (unwavering strength to keep going when the going gets tough)
Meaning & usage
perseverance, doggedness, stubbornness, grit, stamina, spunk, determination, courage, guts, tenacity (unwavering strength to keep going when the going gets tough)
Voimamme olivat aivan lopussa, mutta jatkoimme pelkällä sisulla.
Hänellä on paljon sisua. Luulen, että hän jaksaa siksi juosta pitkään.
sisu (often with the attribute suomalainen (“Finnish”)) (strength of will in the face of adversity; grit; perseverance; regarded as an integral part of Finnish culture)
temper (tendency to be of a certain type of mood, especially of a bad or defiant one)
Komentelu kävi hänen sisulleen.
Where this word comes from
From sisä- (“inner”) + -u. Originally referred to one's physical interior (compare sisus, sisusta), hence the meaning 'core; spirit' and thus 'courage, determination'. Compare Estonian sisu (“content”) and the development of English guts.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.