必須(ひっす)

ひっす
na-adjective, noun
essential, indispensable, mandatory
formalwrittendescriptive
1. essential, indispensable, mandatory, required
Something that is absolutely necessary and cannot be done without. Used for requirements, qualifications, conditions, and items.
この仕事(しごと)には英語力(えいごりょく)が必須(ひっす)だ。
English ability is essential for this job.
応募(おうぼ)には必須(ひっす)項目(こうもく)をすべて記入(きにゅう)してください。
Please fill in all required fields to apply.
災害(さいがい)対策(たいさく)として非常食(ひじょうしょく)の備蓄(びちく)は必須(ひっす)である。
Stockpiling emergency food is essential as a disaster preparedness measure.

Usage

Functions as both a na-adjective (必須(ひっす)な / 必須(ひっす)の) and a predicate noun (必須(ひっす)だ / 必須(ひっす)である). Very common in job listings, academic requirements, and technical documentation. Often appears in compound nouns like 必須(ひっす)条件(じょうけん) and 必須(ひっす)科目(かもく).

Common collocations

Related Words

Synonym: 必要(ひつよう) (necessary, needed)
Synonym: 不可欠(ふかけつ) (indispensable)
Compare: 必修(ひっしゅう) (required)
Compare: 必需(ひつじゅ) (necessity)
general
Added 2026.2.21 20:11 · Revised 2026.9.4 21:31
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