ひつ
必
よう
要
ふ
不
か
可
けつ
欠

adjectival noun or quasi-adjective, takes genitive case の

  1. absolutely essential, indispensable, vital, critical.

Variations

Pronunciation Kanji Kana Is Common
ひつ
必
よう
要
ふ
不
か
可
けつ
欠
 必要不可欠 ひつようふかけつ

Contained Kanji Breakdown

invariably, certain, inevitable
ヒツ　かなら.ず (4th, N3)
heart, mind, spirit
こころ　シン (2nd, N4)
katakana no radical (no. 4)
ヘツ　えい　よう (Kentei 1)
need, main point, essence
ヨウ　い.る　かなめ (4th, N3)
variant of radical 146
woman, female
ジョ　おんな　め (1st, N5)
negative, non-, bad
フ (4th, N4)
cliff (厂) variant
divining, fortune-telling, divination or katakana to radical (no. 25)
ボク　うらな.う　うらない (Kentei Pre-1)
can, passable, mustn't
カ　コク　-べ.き (5th)
street, ward, town
チョウ　テイ　チン (3rd, N1)
mouth
くち　コウ　ク (1st, N4)
lack, gap, fail
ケツ　か.ける　ケン (4th, N3)
knife, wrapping enclosure(勹) variant
person
ひと　ニン　ジン (1st, N5)