Translation guide
Describes someone or something that is firm, unwavering, and loyal. In Japanese, this concept is expressed through various adjectives and phrases that emphasize unchanging resolve, loyalty, or determination.
Describing a person who remains loyal and devoted, especially in relationships or to a cause.
A common adjective meaning faithful, loyal, or devoted. Often used for people, duties, or principles.
He is steadfastly loyal to his wife.
She remained steadfast in her beliefs.
Describes single-minded devotion or wholehearted dedication, often in love or pursuit of a goal.
She is steadfast in her love for him.
A formal phrase meaning 'unchanging loyalty', suitable for solemn contexts.
He pledged steadfast loyalty to the king.
Describing a person's determination or attitude that does not waver despite difficulties.
An adjective meaning firm, resolute, or determined. Often used with 'とした' to describe an unwavering attitude.
He approached the negotiation with a steadfast attitude.
Her resolve is steadfast.
A verb phrase meaning 'unshakable' or 'unwavering'. Literally 'does not shake'. Commonly used for beliefs, trust, or determination.
His beliefs are steadfast.
Literally 'immovable'. Used for unwavering resolve or principles, often in formal or literary contexts.
Describing continuous, unwavering effort or dedication to a task.
Describing a position, policy, or principle that remains constant.
Means unchanging, constant, or immutable. Used for principles, rules, or natural laws.
This is a steadfast truth.
The company's policy is steadfast.
Means consistent or coherent. Often used for attitudes, policies, or behavior that do not change.
He maintained a steadfast attitude.
忠実 (ちゅうじつ) is a general term for loyalty and faithfulness, suitable for formal and informal contexts. 一途 (いちず) emphasizes single-minded devotion, often with a romantic or passionate nuance, and is more casual.
There is no single Japanese word that covers all nuances of 'steadfast'. Choose the expression based on whether you mean loyalty, resolve, persistence, or unchanging principles. Using a direct translation like '不動' in casual speech may sound overly dramatic.
彼女への信頼は揺るがない。
My trust in her is steadfast.
He has steadfast convictions.
Steadfast effort leads to success.
His steadfast efforts bore fruit.