Translation guide
Describes something that remains the same over time, does not vary, or is constant. Japanese has several common adjectives and verbs to express this, depending on whether you're talking about rules, feelings, nature, or everyday situations.
To say that something does not change, stays the same, or is constant in a general sense.
The most common and versatile way to say 'unchanging' or 'constant'. It's the negative form of 変わる (to change). Can be used for feelings, situations, rules, etc.
His opinion is unchanging.
The scenery of this town has remained unchanged since long ago.
A more formal or literary term meaning 'unchanging', 'constant', or 'immutable'. Often used in written language or abstract contexts.
Means 'fixed', 'constant', or 'uniform'. Often used for rates, speeds, temperatures, or rules that don't vary.
A very formal term meaning 'constant' or 'perpetual', often used in economic or scientific contexts.
To express that something like love, truth, or a principle is eternal and never changes.
Means 'eternal' or 'everlasting'. Often used for abstract concepts like love, peace, or truth. It implies something that will never change throughout time.
They vow eternal love.
This is an unchanging truth.
Literally 'undecaying', used for things that are immortal or timeless, like great works of art or fame.
an immortal masterpiece
To describe a state or condition that persists without change, often using verbs like 'to remain' or 'to continue'.
Attached to nouns, adjectives, or verbs to mean 'as it is', 'still', or 'remaining in the same state'. Very common for describing unchanging situations.
The adverbial form of 変わらない, meaning 'without changing' or 'as always'. Often used in greetings or to describe consistent behavior.
He is busy as ever (unchangingly busy).
変わらない is the everyday word for 'unchanging' and can be used in most situations. 不変 is more formal and often used for principles or laws. 永遠 means 'eternal' and emphasizes endless time rather than just lack of change.
His attitude is unchanging.
The laws of physics are immutable.
We wish for eternal peace.
不変 is quite stiff and can sound unnatural in casual conversation. Stick to 変わらない for everyday speech unless you want a formal or literary tone.
His love for her is unchanging.
The rules of the club are unchanging.
The laws of nature are unchanging.
温度を一定に保ってください。
Please keep the temperature constant.
There is a constant demand.
変わらずお元気ですか。
Are you well as always?