堅実・健実|けんじつkenjitsu[0]heiban (flat)

Common
Which spelling to use
堅実堅実 is the most common written form and the one beginners should normally choose for this meaning.
健実健実 is a less common written variant of 堅実; learners may encounter it, but it is not the form to choose by default.
Definitions
  1. na-adjectivesteady; sound; stable; safe (e.g. business); reliable; trustworthy; solid
    堅実けんじつな草の根くさのねレベルの運動うんどうを築きずきあげることに集中しゅうちゅうしなければならない。↗
    We must focus on building a solid grass-roots movement.
Conjugation
Plain form堅実(けんじつ)
Polite (desu)堅実です(けんじつです)
Negative (dewa nai)堅実ではない(けんじつではない)
polite (dewa arimasen)堅実ではありません(けんじつではありません)
Past (datta)堅実だった(けんじつだった)
Past negative (dewa nakatta)堅実ではなかった(けんじつではなかった)
Te form (de)堅実で(けんじつで)
Adverbial (ni)堅実に(けんじつに)
Conditional (nara)堅実なら(けんじつなら)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym手堅いてがたいCasualColloquial adjective for a safe, sure approach that avoids risk, as in 「手堅い商売」; 「堅実」 describes a person's steady, dependable conduct.
  • Synonym着実ちゃくじつNeutralSteady, step-by-step progress, as in 「着実に進歩」; 「堅実」 stresses a sound, cautious style that avoids taking chances.
  • Synonym危なげないあぶなげないCasualColloquial for safe with no hint of danger, as in 「危なげない勝利」; 「堅実」 stresses a steady, reliable style.
  • Synonym頼もしいたのもしいCasualColloquial; dependable and reassuring, as in 「頼もしい後輩」; 「堅実」 describes a steady, cautious way of acting rather than inspiring confidence.
  • Synonym堅気かたぎCasualColloquial; someone in a respectable, legitimate occupation, often contrasted with the underworld, as in 「堅気になる」; 「堅実」 is about conduct.
  • Synonym安定したあんていしたNeutralA state that stays stable and unchanged, as in 「安定した収入」; 「堅実」 is about dependable conduct.
  • Related堅調けんちょうWrittenWritten/formal; a firm, bullish market or steady sales, mostly in market talk; 「堅実」 is about people and how they act.
  • Related健全けんぜんWrittenWritten/formal; healthy in body and mind or functioning properly, as in 「健全な経営」; 「堅実」 stresses a steady approach that does not gamble.
  • Related確かたしかNeutralCertain and dependable, as in 「確かな腕」; 「堅実」 is about a steady, level-headed way of working.
  • Related安全あんぜんNeutralFree from danger, as in 「安全運転」; 「堅実」 is about a steady, reliable way of doing things.
  • Related律儀りちぎNeutralDutiful and loyal to obligations, as in 「律儀な人」; 「堅実」 is about doing things soundly and not taking reckless chances.
  • Related真面目まじめNeutralSerious and honest, as in 「真面目に働く」; 「堅実」 stresses a sober, prudent style that steers clear of gambles.
  • Related安心あんしんNeutralFeeling at ease or relieved, as in 「安心して任せる」; 「堅実」 is about a steady, reliable style.
  • Related実直じっちょくWrittenWritten/formal; honest and upright, as in 「実直な人柄」; 「堅実」 stresses steady, reliable conduct.
  • Related良心的りょうしんてきNeutralHonest and conscientious, as in 「良心的な価格」; 「堅実」 stresses a steady, dependable style.
  • Related揺るぎないゆるぎないWrittenWritten/formal; firm and unshakable, as in 「揺るぎない信念」; 「堅実」 stresses steady, dependable conduct.
  • Related定常ていじょうWrittenWritten/formal; constant and unchanging, mostly a physics term as in 「定常状態」; 「堅実」 is about conduct.
  • Antonym脆弱ぜいじゃくWrittenWritten/formal; fragile and easily broken, as in 「脆弱な基盤」 — the opposite of 「堅実」 in solidity.

Use 「堅実」 for a person or way of doing things that is steady, dependable and not given to taking chances, as in 「堅実な経営」. Pick 「手堅い」 for a safe, sure approach, 「着実」 for steady step-by-step progress, 「堅調」 for a firm market, 「安定した」 for unchanging states, 「健全」 for sound health or functioning, and 「脆弱」 as the opposite.

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

Japanese definitions
  1. しっかりしていて危あぶなげがないこと。
Kanji in this word
English equivalents
See also

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android