主要

(1) より深刻なまたは危険な(of greater seriousness or danger; "a major earthquake"; "a major hurricane"; "a major illness")(of greater seriousness or danger)

⇒重病(of greater seriousness or danger)

(2) 更なる重要性、度合い、または地位の(of greater importance or stature or rank; "a major artist"; "a major role"; "major highways")(of greater importance or stature or rank)

⇒主要な高速道路(of greater importance or stature or rank)

(3) 影響あるいは意味において重要な(important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant")(important in effect or meaning)

⇒統計的に重要な(important in effect or meaning)

(4) （節について）完全な文として、それだけで構文的に成り立つことができる((of a clause) capable of standing syntactically alone as a complete sentence; "the main (or independent) clause in a complex sentence has at least a subject and a verb")((of a clause) capable of standing syntactically alone as a complete sentence)

⇒複文の主要な（または独立した）節には、少なくとも主語と動詞がある((of a clause) capable of standing syntactically alone as a complete sentence)

(5) 一番目、初期または元の物を示す(indicating the first or earliest or original; "`proto' is a combining form in a word like `protolanguage' that refers to the hypothetical ancestor of another language or group of languages")(indicating the first or earliest or original)

⇒『proto（原始）』は、別の言語あるいは言語集団の仮定的な原型を参照する『protolanguage（祖語）』のような語の連結形である(indicating the first or earliest or original)

(6) 特に食物または商品について重要で必要な(necessary or important, especially regarding food or commodities; "wheat is a staple crop")(necessary or important, especially regarding food or commodities)

⇒小麦は主要作物である(necessary or important, especially regarding food or commodities)

(7) 大きな意義または価値(of great significance or value; "important people"; "the important questions of the day")(of great significance or value)

⇒その日の重要な質問(of great significance or value)

(8) 基本的な(basic and fundamental; "the essential feature")(basic and fundamental)

⇒本質的特徴(basic and fundamental)

(9) 不可欠な要素として働く(serving as an essential component; "a cardinal rule"; "the central cause of the problem"; "an example that was fundamental to the argument"; "computers are fundamental to modern industrial structure")(serving as an essential component)

⇒ンピュータは近代的な産業構造の基礎である(serving as an essential component)

(10) 影響においてとても大きなさま、あるいは重要なさま有力なさま(fairly large or important in effect; influential; "played a large role in the negotiations")(fairly large or important in effect)(influential)

⇒交渉で大きな役割を演じる(influential)