Translation guide
Describes something that cannot be changed, doubted, or moved—like a belief, feeling, or resolve. Japanese uses different words for emotional conviction, physical stability, and logical certainty.
Expressing that one's conviction, trust, or determination is so strong it cannot be weakened.
The most common and natural way to say 'unshakable' for beliefs, trust, or resolve. Literally 'unswaying', it implies steadfastness.
He has an unshakable conviction.
My trust in her is unshakable.
Literally 'immovable', often used in compounds like 不動の信念 (unshakable conviction). More formal and emphatic than 揺るぎない.
I will take on the challenge with unshakable determination.
Means 'firm' or 'solid', used for attitudes, beliefs, or policies. Often in the form 確固たる信念 (firm conviction).
You need an unshakable will.
Literally 'does not budge an inch', used for someone's stance or expression that remains completely unchanged under pressure.
His expression remained unshakable.
Describing an object or structure that cannot be shaken, moved, or toppled.
Means 'stable' or 'steady'. Used for physical objects that don't shake or wobble, like a table or a ladder.
This desk is stable and unshakable.
The verb form of 揺るぎない, meaning 'does not sway'. Can be used for physical stability as well as abstract.
Describes something heavy and solid that feels immovable. Often used for furniture or large objects.
It's a solid, unshakable bookshelf.
Expressing that evidence, facts, or logic are so solid they cannot be questioned.
Literally 'unmoving', used for evidence or facts that are indisputable. Common in phrases like 動かぬ証拠 (unshakable proof).
I was presented with unshakable evidence.
Means 'certain' or 'sure'. Used for information, plans, or outcomes that are beyond doubt.
A phrase meaning 'there is no room for doubt'. Used for conclusions or facts.
揺るぎない is the most versatile and common for abstract unshakability. 不動 is more emphatic and often used in set phrases. 確固たる emphasizes firmness and solidity, often with 信念 or 意志.
Direct translations like '揺れない' (shakenai) only mean 'does not shake' physically. For abstract unshakability, use 揺るぎない or similar expressions.
This building is unshakable even in an earthquake.
I will decide based on unshakable information.
His guilt is unshakable.