• 必需ひつじゅ

  necessary

• 必勝ひっしょう

  certain victory

• 必修ひっしゅう

  required (subject)

• 必読ひつどく

  must-read, required reading

• 必見ひっけん

  must-see, not-to-be-missed

• 必着ひっちゃく

  must arrive, must be received

• 必然ひつぜん

  inevitable, necessary, certain, sure

• 必至ひっし

  inevitable, necessary, foregone

• 必死ひっし

  frantic, frenetic, desperate

• 必要ひつよう

  necessary, needed, essential, indispensable

• 必須ひっす

  indispensable, essential, requisite, required, compulsory, necessary

• 必携ひっけい

  indispensable, essential, must-have

• 必ずかならず

  always, without exception, necessarily, certainly, without fail, positively, invariably

• 必要性ひつようせい

  necessity

• 必然的ひつぜんてき

  inevitable, necessary

• 必需品ひつじゅひん

  necessities, necessary article, requisite, essentials

• 不必要ふひつよう

  unnecessary, needless

• 必須条件ひっすじょうけん

  essential condition

• 必ずしもかならずしも

  (not) always, (not) necessarily, (not) entirely, (not) all

• 必死になってひっしになって

  desperately, for one's dear life

• 必治ひっち

  certain cure

• 必食ひっしょく

  must-eat

• 必滅ひつめつ

  mortality

• 必聴ひっちょう

  must-listen

• 必敗ひっぱい

  certain defeat

• 必中ひっちゅう

  hitting the target

• 必定ひつじょう

  inevitably, certainly

• 必罰ひつばつ

  inevitability of punishment

• 必殺ひっさつ

  bringing certain death, deadly, knockout (blow)

• 必備ひつび

  indispensable, essential, necessary, must-have

• 必達ひったつ

  certain fulfilment, reaching a goal without fail

• 必置ひっち

  mandatory requirements (e.g. qualifications, administrative structures, etc.)

• 必要語ひつようご

  key word

• 必要事ひつようじ

  necessities

• 必要品ひつようひん

  necessities

• 必要物ひつようぶつ

  necessities

• 必要悪ひつようあく

  necessary evil

• 必勝法ひっしょうほう

  surefire way to win

• 必ずやかならずや

  certainly, surely, definitely

• 必然性ひつぜんせい

  necessity, inevitability

• 必治薬ひっちやく

  necessity guaranteed to cure

• 必読書ひつどくしょ

  must-read (book), required reading

• 必携品ひっけいひん

  must-have, indispensable item, necessities

• 必殺技ひっさつわざ

  killer technique, surefire assassination method

• 必要なしひつようなし

  not required

• 必要ないひつようない

  unnecessary, not needed, not necessary

• 必要次第ひつようしだい

  as necessary (needed), if necessary (needed)

• 必須属性ひっすぞくせい

  mandatory attribute, required attribute

• 必要十分ひつようじゅうぶん

  necessary and sufficient

• 必修科目ひっしゅうかもく

  compulsory subject, required subject