本質的|ほんしつてきhonshitsuteki

1. na-adjectiveessential; substantial; substantive; intrinsic
   いかなる政党せいとうも本質的ほんしつてきに保守的ほしゅてきである。↗

   Any political party is conservative in itself.

• Synonym根本的こんぽんてきNeutralTargets the root or source of a matter, as in 「根本的な解決」; 本質的 instead points to the essential nature of things.
• Synonym実質的じっしつてきNeutralRefers to substance as opposed to what is nominal or in name only, as in 「実質的な値上げ」; 本質的 concerns essence, not name versus reality.
• Related肝心かんじんNeutralStresses that something is crucial or what matters most, as in 「肝心なところ」; it weighs importance rather than pointing to essence.
• Related肝要かんようWrittenWritten and formal: says something is vitally important, as in 「肝要なのは継続だ」; it stresses sheer importance, not essence.
• Related本来ほんらいNeutralAn adverb or noun for what something is originally or by nature, as in 「本来の姿」; it stresses the original or proper state.
• Related基本的きほんてきNeutralCovers the basics or groundwork, as in 「基本的なルール」; it concerns foundations and need not touch the essence of things.
• Related固有こゆうNeutralRefers to what is peculiar or unique to something, as in 「日本固有の文化」; it stresses traits possessed from the start.
• Related基礎的きそてきNeutralDescribes what serves as a foundation, as in 「基礎的な知識」 or 「基礎的な研究」; it does not necessarily touch the essence of things.
• Related第一義的だいいちぎてきWrittenWritten style. Means first or primary in order of priority, as in 「第一義的な目的」; it ranks what comes first rather than naming the essence.
• Related枢要すうようWrittenWritten style for a pivotal, key position or role, as in 「枢要な地位」; it highlights how critical a post is, not the essence of a thing.
• Related内在的ないざいてきNeutralLeans academic: refers to qualities inherent within a thing, as in 「内在的な矛盾」.
• Antonym表面的ひょうめんてきNeutralAntonym: stays at the surface or the shallow appearance of things, the opposite of 「本質的」, which reaches the essence.
• Antonym非本質的NeutralAntonym: the direct negative of the headword, as in 「非本質的な議論」, discussion that does not bear on the essence.

Use 「本質的」 for what touches the essential nature of a thing, as in 「本質的な問題」. Use 「根本的」 for going to the root of a matter and 「実質的」 for substance as opposed to the merely nominal; 「肝心」 stresses what is crucial. 基礎的 and 基本的 cover foundations, 第一義的・肝要・枢要 are formal words for priority or weight, 本来 for the original state, 内在的 and 固有 for what is inherent, and 表面的・非本質的 are opposites.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 本質ほんしつに関かかわるさま。