[げん, gen] (n) (1) { math } unknown (e.g. in an equation); (2) { math } element (of a set); (3) yuan (monetary unit of China); (4) Yuan dynasty (China) #170
[ふめい, fumei] (adj-na, n) unknown; obscure; indistinct; uncertain; ambiguous; ignorant; lack of wisdom; anonymous; unidentified; (P) #705
[ふしょう, fushou] (adj-na, n, adj-no) unknown; unidentified; unspecified; (P) #3201
[かくれ, kakure] (n-pref, n) (1) hidden; concealed; unknown; crypto-; (n) (2) (See お隠れ) passing away; dying; death #7778
[くらい, kurai] (adj-i) (1) (uk) dark; gloomy; (2) dark (in colour); dull; (3) depressed; dispirited; (4) sorrowful; bitter (as in a dark past); (5) unclear; unfamiliar; unknown; (P) #11952
[ひわ, hiwa] (n) secret story; unknown episode; (P) #13096
[さぐる, saguru] (v5r, vt) (1) to feel around for; to fumble for; to grope for; to search for; to look for; (2) to investigate; to probe into; to spy on; to sound out; (3) to explore (parts unknown); to enjoy (natural beauty); (P) #13178
[みしょう, mishou] (n, adj-no) unknown; unidentified #18921
[エックス, ekkusu] (n) (1) X; x; (2) unknown quantity; an unknown
[announ ; anno-n] (adj-no, adj-na, adj-f, n) unknown
[あんぴふめい, anpifumei] (n) fate (safety) of a person (persons) being unknown
[いつじ, itsuji] (n) anecdote; unknown fact
[いつぶん, itsubun] (n) unknown or lost writings
[いなおおせどり, inaoosedori] (n) (arch) (See 鶺鴒) migratory bird that arrives in autumn (unknown species; perhaps a wagtail)
[くようづか, kuyouduka] (n) unknown person's grave
[ごんべえ, gonbee] (n) (1) (arch) (derog) country bumpkin; (2) John Doe; used to refer to someone whose name is unknown
[みずしらず, mizushirazu] (adj-no) (1) strange; unfamiliar; unknown; new; (n) (2) unfamiliarity; strangeness; stranger; (P)
[みしらぬ, mishiranu] (adj-pn) unknown; unacquainted; strange; (P)
[げんいんふめい, gen'infumei] (n, adj-no) cause unknown
[げんよう, genyou] (n, vs) (1) confusing people; (2) magic; (3) ghost, monster, etc., the true identity of which is unknown
[さくしゃみしょう, sakushamishou] (n) anonymous; author unknown
[しつめい, shitsumei] (n) name unknown
[しつめいし, shitsumeishi] (n) unknown person
[じゅうしょふめい, juushofumei] (adj-no, n) address unknown
[しょぞくふめい, shozokufumei] (n) of unknown affiliation
[しょうそくふめい, shousokufumei] (n) untraceable; long lost; one's whereabouts being unknown
[つまびらかでない, tsumabirakadenai] (adj-i) unknown
[こころあたりのない, kokoroatarinonai] (adj-i) (See 心当たりがない) completely unknown; unexpected; having no clue about
[しんぎふめい, shingifumei] (n) dubious; doubtful; of unknown authenticity
[みもとふめいしゃ, mimotofumeisha] (n) John Doe; Jane Doe; person unknown
[みずのながれとひとのゆくえ, mizunonagaretohitonoyukue] (exp) (id) Life is an unknown course
[せいめいふしょう, seimeifushou] (n, adj-no) unidentified; name unknown
[すいか, suika] (n, vs) challenging (an unknown person); asking a person's identity
[しらない, shiranai] (adj-i) (1) unknown; strange; (2) (id) I don't care; I don't know and I feel nothing
[ついきゅう, tsuikyuu] (n, vs) investigation (e.g. academically, of the unknown); enquiry; inquiry; (P)
[つるかめざん, tsurukamezan] (n) obtaining the respective numbers of cranes and tortoises from the total of their heads and legs; calculating the values of two unknown quantities from their unit total and the total of one of their attributes
[ゆむろ, yumuro] (n) unknown (?)
[とくていしっかん, tokuteishikkan] (n) diseases specified by the Japanese government as being worrisome, having no known treatment and of unknown causes
[よみびとしらず, yomibitoshirazu] (n) (1) author unknown; anonymous; (2) unknown waka composer
[にげんほうていしき, nigenhouteishiki] (n) { math } equation with two unknowns
[ふしき, fushiki] (n) the unknown
[ふち, fuchi] (n) (1) (不知 only) something unknown; (2) ignorance; foolishness
[みけん, miken] (n, adj-no) unacquainted; unknown
[みちご, michigo] (n) unknown language; unknown word
[みちじょうたい, michijoutai] (n) { comp } unknown state
[みちすう, michisuu] (n) (See 既知数) unknown number; (P)
[むめいせんし, mumeisenshi] (n) unknown soldier
[なもない, namonai] (adj-i) unknown; obscure; insignificant
[ゆうめいむめい, yuumeimumei] (n, adj-no) well-known and unknown; somebodies and nobodies; both famous and humble
[よう, you] (adj-t, adv-to) (See 杳として) dark; ununderstood; unknown