- All Wiktionaries (edit)
As of June 2011, there are versions of the Wiktionary in 170 different languages (almost the same as the number of Wikipedias), although only 62 of those are considered fairly active.
1 000 000+:
English (en), Français (fr), 中文 (zh)
100 000+:
Deutsch (de), Ελληνικά (el), Suomi (fi), Magyar (hu), Ido (io), Italiano (it), 한국어 (ko), Lietuvių (lt), Norsk (Bokmål) (no), Polski (pl), Português (pt), Русский (ru), Svenska (sv), தமிழ் (ta), Türkçe (tr), Tiếng Việt (vi)
10 000+:
Afrikaans (af), ويكاموس (ar), Български (bg), Brezhoneg (br), Català (ca), Čeština (cs), Español (es), Eesti (et), فارسى (fa), Frysk (fy), Galego (gl), עברית (he), Hrvatski (hr), Bahasa Indonesia (id), Íslenska (is), 日本語 (ja), ಕನ್ನಡ (kn), Kurdî / كوردی (ku), Limburgs (li), ລາວ (lo), മലയാളം (ml), Nederlands (nl), Occitan (oc), Română (ro), Sicilianu (scn), Српски / Srpski (sr), Simple English (simple), Kiswahili (sw), తెలుగు (te), ไทย (th), Українська (uk), Volapük (vo)
1 000+:
Æld Englisc (ang),
Asturianu (ast),
Azərbaycan (az),
Corsu (co),
Kaszëbsczi (csb),
Cymraeg (cy),
Dansk (da),
Esperanto (eo),
Euskara (eu),
Gaeilge (ga),
Avañe'ẽ (gn),
हिन्दी (hi),
Obersorbisch (hsb),
Հայերեն (hy),
Interlingua (ia),
Қазақ (kk),
Kalaallisut (kl),
Kırgızca (ky),
Latina (la),
मराठी (mr),
Bahasa Melayu (ms),
Plattdüütsch (nds),
Slovenčina (sk),
Slovenščina (sl),
Shqip (sq),
seSotho (st),
تركمن / Туркмен (tk),
Tagalog (tl),
Tatarça / Татарча (tt),
اردو (ur),
Walloon (wa),
Wollof (wo),
Bân-lâm-gú / Hō-ló-oē (zh-min-nan)
100+:
አማርኛ (am),
Aragonés (an),
Беларуская (be),
বাংলা (bn),
Bosanski (bs),
ᏣᎳᎩ (chr),
ދިވެހިބަސް (dv),
Føroyskt (fo),
Gàidhlig (gd),
ગુજરાતી (gu),
Gaelg (gv),
Interlingue (ie),
Iñupiak (ik),
ᐃᓄᒃᑎᑐᑦ (iu),
Basa Jawa (jv),
ქართული (ka),
ភាសាខ្មែរ (km),
Kernewek (kw),
Lingala (ln),
Latviešu (lv),
Malagasy (mg),
Māori (mi),
Македонски (mk),
Монгол (mn),
bil-Malti (mt),
Myanmasa (my),
Nahuatl (nah),
Nynorsk (nn),
Oromoo (om),
ਪੰਜਾਬੀ (pa),
پښتو (ps),
Armãneashce (roa-rup),
Runa Simi (qu),
Kinyarwanda (rw),
سنڌي، سندھی / सिन्ध (sd),
Sango (sg),
Srpskohrvatski / Српскохрватски (sh),
සිංහල (si),
Gagana Samoa (sm),
Soomaaliga (so),
SiSwati (ss),
Basa Sunda (su),
Тоҷикӣ (tg),
ትግርኛ (ti),
Tok Pisin (tpi),
Xitsonga (ts),
Oyghurque (ug),
O‘zbek (uz),
ייִדיש / Yiddisch (yi),
isiZulu (zu)
10+:
অসমীয়া (as),
Aymar (ay),
Na Vosa Vakaviti (fj),
هَوُسَ (ha),
Lobjan (jbo),
कश्मीरी - (كشميري (ks),
Moldoveana (mo),
dorerin Naoero (na),
संस्कृतम् (sa),
Setswana (tn)
1+:
Afar (aa),
Аҧсуа (ab),
Akana (ak),
Авар (av),
भोजपुरी (bh),
Bislama (bi),
Bamanankan (bm),
ཇོང་ཁ (dz),
Ebon (mh),
ଓଡ଼ିଆ (or),
पािऴ (pi),
Kirundi (rn),
chiShona (sn),
faka Tonga (to),
Twi (tw),
isiXhosa (xh),
Yorùbá (yo)
Other: Alemannisch (als), Bod skad (bo), Chamoru (ch), Nehiyaw (cr), Rumantsch (rm), Sardu (sc)