さい
最
しゅう
終
へい
兵
き
器

noun

Idiomatic expression.
  1. ultimate weapon, one's final trump card.

Variations

Pronunciation Kanji Kana Is Common
さい
最
しゅう
終
へい
兵
き
器
 最終兵器 さいしゅうへいき

Contained Kanji Breakdown

utmost, most, extreme
サイ　もっと.も　も (4th, N3)
day, sun, Japan
ひ　にっ　ニチ (1st, N5)
take, fetch, take up
と.る　シュ　とり (3rd, N3)
ear
みみ　ジ　がみ (1st, N3)
or again, furthermore, on the other hand
また　ユウ　やす (8th, N1)
end, finish
お.わる　シュウ　おわ.る (3rd, N4)
thread
いと　シ (1st, N2)
short thread radical (no. 52)
ヨウ　ちいさい (Kentei 1)
little, small
ショウ　こ-　ちい.さい (1st, N5)
feathered stick, barb radical (no. 6)
ケツ　かぎ (Kentei 1)
eight, eight radical (no. 12)
ハチ　や　はっ (1st, N5)
winter
ふゆ　トウ (2nd, N4)
late, delayed, winter radical (no. 34)
チ　しゅう (Kentei 1)
two-stroke water radical or ice radical (no. 15)
ヒョウ　こおり (Kentei 1)
soldier, private, troops
ヘイ　ヒョウ　へ (4th, N2)
hill, knoll
おか　キュウ　たかし (7th, N1)
axe, 1.32 lb, catty
キン (8th, N1)
one, one radical (no.1)
イチ　いっ　ひと- (1st, N5)
eight, eight radical (no. 12)
ハチ　や　はっ (1st, N5)
utensil, vessel, receptacle
キ　うつわ (4th, N1)
public opinion, clamor, noise
accuse, argue, dispute
mouth
くち　コウ　ク (1st, N4)
large, big
ダイ　おお-　た (1st, N5)
one, one radical (no.1)
イチ　いっ　ひと- (1st, N5)
person
ひと　ニン　ジン (1st, N5)