What's the difference between 他意 and 正義?

他意 (たい) means "ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness" and 正義 (せいぎ) means "justice; right; righteousness; correct meaning". Both words relate to the purpose behind actions. 'Tai' (ulterior motive) and 'seigi' (justice/correct meaning) both deal with the ethical 'why' behind behavior, focusing on the intended significance of an act.

Why do JLPT N1 learners confuse 他意 with 正義?

Both words occupy adjacent semantic territory, which is exactly why the JLPT uses them as distractors for each other on multiple-choice items. The fastest way to stop confusing them is to study them as a pair, write a one-sentence contrast in your own words, and drill the pair specifically rather than each word in isolation.

Is 他意 or 正義 more common on JLPT N1?

Both appear in the JLPT N1 curriculum and either may show up on a given exam. Don't try to predict which one the test will choose — learn to distinguish them and you'll be safe regardless. Both belong to the Philosophy & Ethics theme of N1 vocabulary.

How do I practice this confusion pair?

Free option: visit /try and pick a confusion drill. Paid option: none — JLPT Mastery is free during launch. Whichever route you take, the engine specifically re-tests pairs you've gotten wrong rather than rotating through general vocabulary review.

JLPT N1 · Advanced · Meaning confusion

他意 vs 正義

Why JLPT N1 learners mix up 他意 (たい, “ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness”) and 正義 (せいぎ, “justice; right; righteousness; correct meaning”).

他意

たい

ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness

noun

正義

せいぎ

justice; right; righteousness; correct meaning

noun

Theme: Philosophy & EthicsJLPT N1

Why these get confused

Both words relate to the purpose behind actions. 'Tai' (ulterior motive) and 'seigi' (justice/correct meaning) both deal with the ethical 'why' behind behavior, focusing on the intended significance of an act.

How to tell them apart

Anchor on the meaning, not the form. 他意 (ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness) and 正義 (justice; right; righteousness; correct meaning) live in adjacent semantic territory. Memorize the boundary, not just each word.
Read the example sentences below. Seeing each word in its natural context builds a faster lookup than studying the dictionary form alone.

In a sentence

他意 (ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness)

他に見たいものある？
他のものが食べたいな。

正義 (justice; right; righteousness; correct meaning)

力は正義なり。
最後には正義は勝つものだ。

How JLPT tests this pair

On JLPT N1, this pair shows up as a vocabulary meaning question. You see one word and pick its English equivalent from four options — one of which will be the other word in this pair, chosen as a distractor precisely because of the overlap.

Sample item

「他意」の意味は？

A. ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness (correct)
B. justice; right; righteousness; correct meaning (distractor)
C. (other plausible meaning)
D. (other plausible meaning)

Drill this pair until it sticks

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Practice N1 confusion pairs

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Both involve abstract mental states. 'Tai' (other intention) and 'gainen' (concept) describe internal thoughts or underlying meanings that are not immediately visible, leading to confusion in philosophical or formal contexts.

See explanation →

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Both relate to internal motives. While 'tai' focuses on hidden 'other' intentions, 'ryoushin' focuses on the moral 'good' intention, making them confusable within the semantic field of assessing inner character.

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Both are abstract nouns used in formal settings. A learner might associate the 'office/task' aspect of 'ninmu' with the 'general idea/concept' of 'gainen' when discussing organizational structures or theoretical frameworks.

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Meaning confusion · Philosophy & Ethics

今晩は vs お早う

Both are time-specific greetings. Confusion arises because they serve the same function of acknowledging someone at the start of an encounter, differentiated only by whether it is morning (ohayou) or evening (konbanwa).

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Meaning confusion · Philosophy & Ethics

今日は vs 左様なら

Both are essential social greetings. While 'konnichiwa' is for daytime arrival and 'sayounara' for parting, beginners often confuse them because they are taught together as fundamental etiquette in introductory lessons.

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Meaning confusion · Philosophy & Ethics

何時までも vs 即座に

Both are adverbs describing the temporal nature of an action. They are confusable because they both relate to time, though one implies infinite duration ('forever') and the other implies immediate action ('right away').

See explanation →

Frequently asked

他意 vs 正義

他意

たい

ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness

noun

正義

せいぎ

justice; right; righteousness; correct meaning

noun

Theme: Philosophy & EthicsJLPT N1

Why these get confused

How to tell them apart

Anchor on the meaning, not the form. 他意 (ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness) and 正義 (justice; right; righteousness; correct meaning) live in adjacent semantic territory. Memorize the boundary, not just each word.
Read the example sentences below. Seeing each word in its natural context builds a faster lookup than studying the dictionary form alone.

In a sentence

他意 (ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness)

他に見たいものある？
他のものが食べたいな。

正義 (justice; right; righteousness; correct meaning)

力は正義なり。
最後には正義は勝つものだ。

How JLPT tests this pair

Sample item

「他意」の意味は？

A. ill will; malice; another intention; secret purpose; ulterior motive; fickleness; double-mindedness (correct)
B. justice; right; righteousness; correct meaning (distractor)
C. (other plausible meaning)
D. (other plausible meaning)