実|じつjitsu[2]odaka (tail-high)

1. no-adjectivetruth; reality
   生物せいぶつは、実じつがついにそのうちの１つにわかり始はじめるまで、３０億さんれいおく年ねん以上いじょうの間あいだ、全まったくその理由りゆうを知しらずに地球ちきゅう上じょうに存在そんざいしていた。↗

   Living organisms had existed on earth, without ever knowing why, for over three thousand million years before the truth finally dawned on one of them.
2. no-adjectivesincerity; honesty; fidelity
3. no-adjectivecontent; substance
   名なを捨すてて実じつを取とる。↗

   Profit is better than fame.
4. no-adjective(good) result

• Synonym真しんWrittenWritten prose. Truth or genuineness, as in 「真の友」 and 「真に迫る」; 「実」 stresses substance and sincerity.
• Synonym事実じじつNeutralNeutral. Objective facts; 「実」 focuses on substance and content, and can also mean sincerity.
• Synonym真実しんじつNeutralNeutral. The truth of a matter, with an emphatic nuance; 「実」 is the more written option and stresses substance.
• Synonym本当ほんとうNeutralNeutral. True or real; the everyday spoken choice. 「実」 is more written and mostly appears in compounds.
• Synonym現実げんじつNeutralNeutral. Reality as opposed to ideals; 「実」 stresses substantive content.
• Synonym実際じっさいNeutralNeutral. Actual conditions or practice, set against theory; 「実」 stresses substance.
• Synonym真相しんそうNeutralNeutral. The truth behind an incident; 「実」 stresses substance, as in 「実のある話」.
• Synonym信しんWrittenWritten prose. Integrity, trust or faith; 「実」 stresses substance and can also mean sincerity.
• Related真理しんりWrittenWritten prose. Universal truth with a philosophical flavour; 「実」 stresses concrete substance.
• Related誠にまことにFormalFormal. Adverb read まことに, meaning truly or indeed; common in solemn thanks and apologies. 「実」 is a noun for truth and substance.
• Related誠まことWrittenWritten prose. Sincerity and honesty, also truth; 「実」 stresses substantive content.
• Related実にじつにFormalFormal. Same word as 「誠に」 above, also written 「実に」; adverb for truly or very, in solemn thanks and apologies like 「誠にありがとうございます」. 「実」 is a noun.
• RelatedいかにもNeutralNeutral. Indeed or just like; stresses an agreeing tone. 「実」 is a noun for substance.
• Related実はじつはNeutralNeutral. Set phrase for actually or to tell the truth; common in speech. 「実」 alone is more written.
• Related誠意せいいNeutralNeutral. Sincerity, stressing one's attitude; 「実」 also covers substance.
• Related現にげんにNeutralNeutral. Actually, stressing that something is really the case now, as in 「現に見た」; 「実」 is a noun.
• Relatedその実そのじつNeutralNeutral. Set phrase meaning in fact or actually, with a contrastive nuance; 「実」 alone means substance.
• RelatedまさしくWrittenWritten prose. Certainly, beyond doubt; 「実」 is a noun stressing true content.
• Antonym空からNeutralNeutral, antonym. Read から it means empty, without content, as in 「空の箱」; the opposite of 「実」 in having or lacking substance.
• Antonym虚きょNeutralNeutral, antonym. Same word as 「空」 above, also written 「虚」; read から, besides empty it prefixes hollow or pretended, as in 「空約束」「空元気」, opposed to true, sincere 「実」.

For truth, substance or sincerity, use 「実」, mostly in compounds like 「実力」 or 「実話」, or in phrases such as 「実を言うと」 and 「実のある話」. For objective facts say 「事実」; in everyday speech say 「本当」; for the truth behind an incident say 「真相」; for actually say 「実は」; for emptiness say 「空」.

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

1. （ジツ/まこと/げ）うそではないことや心こころ。本当ほんとう。
2. （ジツ）実際じっさいの中身なかみ。実体じったい。実利じつり。成果せいか。
3. （ジツ）血縁けつえん関係かんけい。義理ぎりの関係かんけいではないこと。
4. （ジツ）珠算しゅざんで被乗数ひじょうすう・被除数ひじょすうのこと。
5. （ジツ、ジッ）数学すうがくの用語ようごに付ついて、実数じっすうに関係かんけいすることや対象たいしょうが実数じっすうに限定げんていされることを表あらわす。