The phrase "end lessing" refers to the act of making something endless or infinite. Synonyms for "end lessing" include eternalizing, perpetuating, enduring, immortalizing, and continuing. To eternalize means to make something last forever or to give something immortality. To perpetuate means to continue or preserve something indefinitely. To endure refers to the ability to withstand the test of time, while immortalizing refers to preserving something in the memory of others. Finally, continuing denotes the ongoing advancement or sustenance of something. Each of these synonyms indicates the dedication to sustaining something for an indefinite amount of time, ensuring that it will carry on without end.