Permanent

Enduring

Eternal

Lasting

perpetual

Immortal

Long-lasting

Persistent

1 Antonym: Permanent

The ink on the contract made their partnership permanent, sealing their commitment for years to come.

She opted for a permanent solution to her hair woes, choosing to undergo laser hair removal.

The damage caused by the fire left a permanent scar on the landscape, altering it forever.

His smile revealed a set of permanent braces, a testament to his dedication to achieving a perfect smile.

2 Antonym: Enduring

Their enduring friendship weathered every storm, remaining steadfast through both good times and bad.

The enduring beauty of the ancient ruins captivated visitors, speaking to the resilience of human craftsmanship.

Despite facing numerous challenges, her enduring optimism remained unshaken, inspiring those around her.

The enduring legacy of his work continued to influence generations long after his passing, a testament to his enduring impact on the world.

3 Antonym: Eternal

The love they shared felt eternal, transcending time and space.

The starry night sky seemed to stretch into eternal darkness, evoking a sense of wonder and awe.

The melody of the song evoked feelings of eternal nostalgia.

The ancient monument stood as a symbol of eternal strength, a reminder of the endurance of human civilization.

4 Antonym: Lasting

Their apology was sincere, leaving a lasting impression on those they had wronged.

The impact of his words had a lasting effect on her, shaping her thoughts for years to come.

They built their relationship on a foundation of trust and mutual respect, ensuring a lasting bond.

The artist's masterpiece left a lasting legacy in the art world, inspiring future generations of creatives.