Despite the criticisms, the unassailableness of her argument became clear to the committee.

The council declared the mountain fortresses to be unassailables, symbols of power no army could overrun.

The fortress, perched on the cliff, seemed unassailable to any invading army.

His belief had become an unassailable — a certainty that no argument could erode.

Despite the fierce debate, her argument stood unassailably, leaving no room for doubt.

His unassailing demeanor in negotiations convinced the other team to trust him.

The old fortress, unassailed for centuries, stood as a silent reminder of past conflicts.

The unassailability of her argument convinced even the most skeptical members of the committee.