takes genitive case の, adjectival noun or quasi-adjective, noun

  1. indispensable, essential, requisite, required, compulsory, necessary.

Variations

Pronunciation Kanji Kana Is Common
必須 ひっす
しゅ
必須 ひっしゅ
必須
必須 ひっすう

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)
ought, by all means, necessarily
ス シュ すべから.く (11th, N1)
three, hair ornament, short hair or fur radical (no. 59)
サン セン (Kentei 1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
page, leaf
ケツ ぺえじ おおがい (Kentei Pre-1)
neck(首) variant
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
oneself
ジ みずか.ら おの.ずから (2nd, N4)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
eye, class, look
め モク ボク (1st, N4)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)