unassailable

• 形容无法被攻击、质疑或击败的。既指事物坚不可摧、无法攻破，也指论点、证据等无懈可击、无可辩驳。

Describes something that cannot be attacked, questioned, or defeated.

1. Immune to attackC1formal

   Not able to be attacked, questioned, or defeated.

   无懈可击

   • The fortress was built in an unassailable position on the cliff.
   • Her argument was logically unassailable.
   • The team's lead in the championship seemed unassailable.

   同义词impregnableindestructibleinvincibleinvulnerablesafesecureunconquerable

   反义词assailabledefenselessexposedvulnerable

2. Impossible to assailC1formal

   Not capable of being criticized or attacked.

   无可辩驳

   • His reputation as a scholar is unassailable.
   • The evidence presented was unassailable in court.
   • Her moral integrity is unassailable.

   同义词impregnableinviolableinvulnerablesafesecureunattackable

   反义词assailablevulnerableweak

3. Without flaws or loopholesC1formal

   Perfectly constructed with no weaknesses or gaps.

   无懈可击

   • The contract was drafted to be legally unassailable.
   • His logic was unassailable, leaving no room for doubt.
   • The scientific theory remains unassailable after decades of scrutiny.

   同义词airtightbulletproofflawlessimpregnableincontrovertibleirrefutablesoundwatertight

   反义词assailablefalliblefaultyflawedvulnerableweak