unbreachable (Meaning)

unbreachable

not able to be entered, penetrated, or crossed

The fortress stood unbreachable, defying all attempts to capture it.
The bond between the siblings was unbreachable, forged through countless shared experiences.
The walls of the castle were so thick and tall that they seemed unbreachable.
The unbreachable defenses of the city made it an impregnable stronghold.
The enemy's defenses were so formidable that they appeared unbreachable, but our determination was stronger.
The trust between the friends was unbreachable, built on years of loyalty and support.
The secrets of the ancient civilization were kept unbreachable by a powerful spell.
The unbreachable barrier between the two worlds kept them separate forever.
The mountain range formed an unbreachable wall, cutting off all access to the valley beyond.
The unbreachable code protected the sensitive data from unauthorized access.

not able to be entered, penetrated, or crossed

inviolable, unconquerable, impregnable, untouchable, invulnerable, unassailable, insurmountable, bulletproof, invincible, indomitable

open, insecure, unprotected, liable, susceptible,vulnerable, unsafe, unguarded, superable, defenseless

The fortress stood unbreachable, defying all attempts to capture it.

The bond between the siblings was unbreachable, forged through countless shared experiences.

The walls of the castle were so thick and tall that they seemed unbreachable.

The unbreachable defenses of the city made it an impregnable stronghold.