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Contraction of minkälainen < minkä (of which) +‎ -lainen (kind of), cognate with Estonian milline (what, what kind of).


  • IPA(key): /ˈmilːɑi̯nen/, [ˈmilːɑi̯ne̞n]
  • Rhymes: -ilːɑinen
  • Syllabification: mil‧lai‧nen


millainen (not comparable)

  1. what, what kind of,
    Millainen sää huomenna on?
    What's the weather like tomorrow?

Usage notes[edit]

In everyday spoken language there are other variants of this word such as mimmonen and millanen which are well used and understood but which are considered as improper for use in the formal written language.


Inflection of millainen (Kotus type 38/nainen, no gradation)
nominative millainen millaiset
genitive millaisen millaisten
partitive millaista millaisia
illative millaiseen millaisiin
singular plural
nominative millainen millaiset
accusative nom. millainen millaiset
gen. millaisen
genitive millaisen millaisten
partitive millaista millaisia
inessive millaisessa millaisissa
elative millaisesta millaisista
illative millaiseen millaisiin
adessive millaisella millaisilla
ablative millaiselta millaisilta
allative millaiselle millaisille
essive millaisena millaisina
translative millaiseksi millaisiksi
instructive millaisin
abessive millaisetta millaisitta
comitative millaisine
Possessive forms of millainen (type nainen)
possessor singular plural
1st person millaiseni millaisemme
2nd person millaisesi millaisenne
3rd person millaisensa
Only used with substantive adjectives, -inen adjectives used for comparisons of equality or agent participles.