天性|てんせいtensei[1]atamadaka (head-high)

1. noun, adverbnature; natural constitution; innate disposition
   彼女かのじょは天性てんせいの音楽家おんがくかだ。↗

   She is a natural musician.

• Synonym気質きしつNeutralTemperament or temper; also read かたぎ for the ethos of a trade. Unlike 「天性」 it does not cover talent.
• Synonym気性きしょうNeutralCharacter or temper, as in 「気性が荒い」; focuses on whether a person is fiery or mild.
• Synonym根性こんじょうNeutralGrit and determination; also one's basic nature, as in 「根性が悪い」. Unlike 「天性」 it does not cover talent.
• Synonym資質ししつNeutralInnate ability or qualities, often viewed as fitness for a profession, as in 「教師の資質」.
• Synonym持ち前もちまえNeutralWhat one has by nature all along, as in 「持ち前の明るさ」; colloquial.
• Synonym真性しんせいWrittenWritten word for one's true, unalloyed nature; also a medical term, as in 「真性」. It has several senses.
• Synonym性せいWrittenAn unalterable nature or fate, as in 「悲しい性」.
• Synonym性質せいしつNeutralCharacter or disposition, and also the properties of things; very broad in use, and unlike 「天性」 it does not cover talent.
• Synonym性分しょうぶんNeutralOne's natural temper, as in 「心配性な性分」; colloquial.
• Synonym素質そしつNeutralEndowment or aptitude, as in 「音楽の素質」; stresses latent potential.
• Synonym本性ほんしょうNeutralOne's true self, often with a negative shade, as in 「本性を現す」. Unlike 「天性」 it does not cover talent.
• Synonym生来せいらいNeutralBy birth, by nature; also an adverb, as in 「生来体が弱い」. 「生来の怠け者」 shows its use modifying a noun.
• Synonym天資てんしWrittenWritten word for innate gifts or ability; it leans toward talent, while 「天性」 covers both character and talent.
• Synonym天質てんしつWrittenWritten word for inborn talent and qualities; rare, and in daily speech 「天性」 or 「素質」 is more usual.
• Synonym禀性ひんせいWrittenVariant written form of 「稟性」; means one's inborn disposition. Written and rather archaic.
• Synonym賦性ふせいWrittenWritten, archaic word for one's endowed nature; rare, and unlike 「天性」 it does not cover talent.
• Synonym資性しせいWrittenWritten word for innate disposition and talent; rare, and close in sense to 「天性」.
• Synonym稟性ひんせいWrittenWritten, archaic word for a nature bestowed by heaven; stresses that it is heaven-given.
• Synonym稟質ひんしつWrittenWritten word for natural endowment, the same idea as 「稟性」; rare.
• Related心根こころねNeutralThe true heart at the bottom of a person, as in 「心根の優しい人」.
• Related性根しょうねNeutralOne's fundamental character; also perseverance, as in 「性根を入れる」.
• Related気きNeutralMood or disposition; the bare word has many senses and mostly forms set phrases.
• Related気心きごころNeutralTemper and disposition, mostly in 「気心が知れる」; unlike 「天性」 it does not cover talent.
• Related性癖せいへきNeutralQuirks of character; nowadays often means sexual tastes as well, so it can be misread.
• Related気立てきだてNeutralDisposition or temper, as in 「気立てがいい」; often used to praise a woman's sweetness.
• Related性さがWrittenAn unalterable nature or fate, as in 「悲しい性」.
• Related人となりひととなりWrittenWritten word for what a person is like; stresses overall character, and unlike 「天性」 it does not cover talent.
• RelatedきっぷCasualColloquial word for a spirited, forthright character, as in 「気っ風がいい」.
• Antonym後天こうてんNeutralAntonym: what is acquired after birth, as opposed to the inborn 「天性」.

Use 「天性」 for the character or talent one is born with, as in 「天性の明るさ」 and 「天性の才能」. For talent, say 「素質」 or 「資質」; for character, 「性分」 or 「気性」; for a person's true nature, 「本性」. The antonym is 「後天」, for what is acquired after birth.

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

1. 生うまれつきの性質せいしつ。
2. 生うまれながらに素質そしつのあること。すぐれていること。
3. 生うまれつき。生来せいらい。