実直|じっちょくjitchoku[0]heiban (flat)

1. na-adjective, nounhonest; steady
   トムはこの上うえなく実直じっちょくな男おとこだ。↗

   Tom is a man of absolute sincerity.

• Synonym誠実せいじつNeutralThe broadest, most versatile word for honesty and trustworthiness; 「実直」 stresses being honest and steady in one's work, without cutting corners.
• Synonym正直しょうじきNeutralFocuses on not lying and being frank, as in 「正直に言うと」; 「実直」 speaks of overall character and conduct.
• Synonym真面目まじめNeutralCovers seriousness and earnestness, as in 「真面目に働く」; 「実直」 stresses plain, dependable honesty.
• Synonym律儀りちぎNeutralStresses loyalty to duty and keeping one's obligations, as in 「律儀な人」; very close in sense to 「実直」.
• Synonym真正直ましょうじきNeutralAn emphatic, colloquial word for being honest to the very core; much rarer than 「実直」.
• Synonym篤実とくじつWrittenWritten/formal prose for a sincere, warm-hearted character, as in 「温厚篤実」; stresses kindness and generosity.
• Synonym謹直きんちょくWrittenWritten/formal prose for a cautious, rigorous character, as in 「謹直な性格」.
• Related率直そっちょくNeutralDescribes frank, direct speech, as in 「率直な意見」; about how one speaks, not overall character like 「実直」.
• Related真率しんそつWrittenWritten/formal prose for sincerity and frankness; rarely used.
• Related摯実しじつWrittenWritten/formal prose for earnest, heartfelt sincerity; very rarely used.
• Antonym不実ふじつWrittenWritten/formal prose for dishonesty and unfaithfulness; the direct opposite of 「実直」.
• Antonym嘘つきうそつきNeutralA person who habitually lies; the opposite of 「実直」.
• Antonym狡猾こうかつNeutralSly, cunning behavior; the opposite of the honest steadiness of 「実直」.

For everyday honesty, 「誠実」 is the default; use 「実直」 for someone honest and steady in their work, as in 「実直な職人」. 「正直」 covers not lying and frank statements, 「真面目」 seriousness, 「律儀」 loyalty to duty, 「率直」 directness in speech. 「篤実」「謹直」「真率」「摯実」 are written-style; 「真正直」 is an emphatic colloquial form. Opposites: 「不実」, 「狡猾」, 「嘘つき」.

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

1. 誠実せいじつで正直しょうじきであること。律義りちぎ。