noun

  1. iron wall, impregnable fortress.

takes genitive case の

  1. impregnable, invulnerable, unassailable, cast-iron.

Variations

Pronunciation Kanji Kana Is Common
鉄壁 てっぺき

Contained Kanji Breakdown

iron
テツ てっ くろがね (3rd, N2)
gold
キン きむ かね (1st, N5)
whole, entire, all
ゼン すべ.て まった.く (3rd, N3)
person
ひと ニン ジン (1st, N5)
king, rule, magnate
オウ -ノウ おお (1st, N3)
to divide
lose, error, fault
シツ うしな.う う.せる (4th, N3)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
husband, man
フ おっと フウ (4th, N3)
large, big
ダイ おお- た (1st, N5)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
wall, lining (stomach), fence
かべ ヘキ (7th, N1)
false, punish, crime
ヘキ ヒ きみ (Kentei 1)
buttocks, rump, fat
corpse, remains, flag radical (no. 44)
シ かたしろ (Kentei 1)
mouth
くち コウ ク (1st, N4)
spicy, bitter, hot
つら.い シン から.い (8th, N2)
stand up, rise, set up
た.つ リツ たつ (1st, N4)
kettle lid radical (no. 8)
トウ (Kentei 1)
grass, straw, herbs
to divide
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
ten
ジュウ ジッ ジュッ (1st, N5)
soil, earth, ground
ド つち は (1st, N5)