Unknown. Related toIngrianheikko and probablyVepsheikembāńe(“weaker”)(South Veps), although such a word is barely attested.

• IPA^(key):/ˈhei̯kːo/,[ˈhe̞i̯kːo̞]
• Rhymes:-eikːo
• Syllabification^(key):heik‧ko
• Hyphenation^(key):heik‧ko

heikko (comparativeheikompi,superlativeheikoin)

1. weak,delicate(unable to sustain a great weight, pressure, or strain)

   Synonyms:hatara,hauras

   Antonyms:vahva,tukeva,luja,vankka

2. weak,feeble,frail,faint(lacking in force, strength or ability)

   Antonyms:vahva,luja

3. weak,slight,meager(lacking in taste, potency or severity)

   Antonyms:vahva,luja,kova

4. weak(unable to withstand temptation, urgency, persuasion, etc.)

   Antonyms:vahva,luja

5. weak,frail,infirm(not in good health)

   Antonyms:vahva,terve

6. weak(lacking in vigour or expression)

   Antonyms:vahva,tuikea

7. faint(barely perceptible)

   Antonyms:luja,vahva,kova

8. poor,bad(of low or poor quality)

   Synonyms:huono,kehno,surkea

   Antonyms:hyvä,hieno

9. meagre,scant,deficient, oflittlemeans,slender

   Synonyms:vähäinen,niukka

   Antonym:runsas

10. light,slight,gentle(not forceful or intense)

    Synonyms:kevyt,vähäinen

    Antonyms:rankka,raskas,luja,kova,vahva

11. (chemistry)weak(that does not ionize completely into anions and cations in a solution)

    Antonym:vahva

12. (grammar)weak(lenis, of a grade in consonant gradation)

    Antonym:vahva

13. (grammar)weak(inflecting in a different and usually more regular manner than the one called strong, such as Germanic verbs)

    Antonym:vahva

• → Karelian:^[1]
  • North Karelian:heikko
  • South Karelian:heikko
• → Ludian:heikko(rare)^[1]
• → Votic:heikko^[2]

• “heikko”, inKielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎^[3] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki:Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland),2004–, retrieved2023-07-02

FromProto-Finnic[Term?]. Cognates includeFinnishheikko andKarelianheikko.

• (Ala-Laukaa)IPA^(key):/ˈhei̯kːo/,[ˈhe̞i̯kːŏ̞̥]
• (Soikkola)IPA^(key):/ˈhei̯kːo/,[ˈhe̞i̯kːo̞]
• (Hevaha)IPA^(key):/ˈhei̯kːo/,[ˈhe̞i̯kːo̞]
• Rhymes:-ei̯kːo
• Hyphenation:heik‧ko

heikko (comparativeheikomp)

1. weak

• SeeThesaurus:heikko

• SeeThesaurus:vahva

• Ruben E. Nirvi (1971)Inkeroismurteiden Sanakirja, Helsinki: Suomalais-Ugrilainen Seura, page54
• Arvo Laanest (1997)Isuri keele Hevaha murde sõnastik, Eesti Keele Instituut, page34

Borrowed fromFinnishheikko.

• IPA^(key):/ˈhei̯kːo/
• Hyphenation:heik‧ko

heikko (genitiveheikon,partitiveheikkuo)

1. (North Karelian ordialectal)weak

heikko (genitiveheikon,partitivehekkuo)

1. (South Karelian)bad luck

• A. V. Punzhina (1994) “heikko”, inСловарь карельского языка (тверские говоры) [Dictionary of the Karelian language (Tver dialects)],→ISBN
• P. Zaykov, L. Rugoyeva (1999) “heikko”, inКарельско-Русский словарь (Северно-Карельские диалекты) [Karelian-Russian dictionary (North Karelian dialects)], Petrozavodsk,→ISBN