Swedish

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Etymology

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From rost (rust) +‎ -fri (free). Cognate with German rostfrei. Compare English rustless.

Adjective

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rostfri (not comparable)

  1. stainless, rustproof
    rostfritt stål
    stainless steel

Declension

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Inflection of rostfri
Indefinite positive comparative superlative1
common singular rostfri
neuter singular rostfritt
plural rostfria
masculine plural2 rostfrie
Definite positive comparative superlative
masculine singular3 rostfrie
all rostfria

1 The indefinite superlative forms are only used in the predicative.
2 Dated or archaic.
3 Only used, optionally, to refer to things whose natural gender is masculine.

References

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  NODES