正当
Being lawful, fair, or based on a logical or moral reason; legitimate.
Examples
3 of 5これは正当な権利の主張です。
This is an assertion of a legitimate right.
学問的な正当性を証明するために、多くの実験を行った。
I performed many experiments to prove academic validity.
正当な報酬を支払うのは、雇用主の義務だ。
Paying fair compensation is an employer's duty.
Word Family
Memory Tip
Think of 'Sei' (correct/justice) and 'Tou' (hit/proper). It hits the mark of justice.
Quick Quiz
何の( )な理由もなく他人の物を壊してはいけない。
Correct!
The correct answer is: 正当
Examples
これは正当な権利の主張です。
everydayThis is an assertion of a legitimate right.
学問的な正当性を証明するために、多くの実験を行った。
academicI performed many experiments to prove academic validity.
正当な報酬を支払うのは、雇用主の義務だ。
businessPaying fair compensation is an employer's duty.
その行為は正当防衛として認められた。
formalThe act was recognized as self-defense.
それ、正当なやり方じゃないよね?
informalThat's not the right way to do it, is it?
Word Family
Common Collocations
Common Phrases
正当に評価する
to evaluate fairly
正当の権利
legitimate right
正当な後継者
rightful successor
Often Confused With
Tadashii is 'correct' (factual), while Seitou is 'legitimate' or 'justifiable' (legal/logical).
Usage Notes
Crucial for IELTS essays concerning law, ethics, or logic.
Common Mistakes
Learners often say 'Tadashii riyuu' (correct reason) instead of 'Seitou na riyuu' (valid/legitimate reason).
Memory Tip
Think of 'Sei' (correct/justice) and 'Tou' (hit/proper). It hits the mark of justice.
Word Origin
From '正' (correct) and '当' (appropriate/hit).
Grammar Patterns
Quick Quiz
何の( )な理由もなく他人の物を壊してはいけない。
Correct!
The correct answer is: 正当
Related Vocabulary
More general words
加味
B2To add an element or factor into consideration when making a judgment or calculation. Literally 'to add flavor'.
一致
B2A state in which two or more things are the same, or people reach a common agreement.
推察
B2To guess or infer someone's feelings, the background of a situation, or an unseen fact based on available evidence or circumstances. It often involves empathy or logical deduction.
加速
B2To increase speed or to cause a process or trend to happen faster. It can refer to physical speed or the rate of social/economic change.
延長
B1To make something last longer in time or space. It is often used for deadlines, stays, or lengths of time.
相談
B1The action of seeking advice or discussing a matter with someone to reach a decision or get help.
興味
B1The feeling of wanting to know or learn about something or someone; a quality that excites curiosity.
締切
B1The latest time or date by which something should be completed or submitted.
予備
B1Something kept in reserve for use if needed; a spare or backup.
柔軟
B2Capable of bending easily without breaking; in a social or mental context, it refers to being adaptable to new situations or changing circumstances.
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