If someone's trust or belief is unshakeable, it is firm and cannot be made weaker or destroyed.

She was blessed with an unshakeable belief in her own abilities. 幸运的是，她对自己的能力深信不疑。

Synonyms: committeddedicateddevotedfaithful (LOYAL)firm (CERTAIN)loyalstalwart (LOYAL)staunch steadfast steady true (SINCERE)unfalteringunswervingunwavering

Opposites: faltering (FAILING)shaky (WEAK)wavering