perpetual has the same or almost the same meaning as:unbearableunendingunfortunateunrefined

To determine which word among "unbearable," "unending," "unfortunate," and "unrefined" has the same or almost the same meaning as "perpetual," we first need to analyze the meanings of these words.

1. Unbearable: This means something that cannot be endured or tolerated. It does not relate closely to the idea of continuity or ongoing state.

2. Unending: This describes something that has no end or is continuous. It aligns closely with the concept of "perpetual," which also signifies something that lasts indefinitely.

3. Unfortunate: This refers to something bad or unlucky that happened. It does not relate to the idea of continuity or endlessness.

4. Unrefined: This describes something that is crude or not processed. It does not connect to the idea of being endless or continuous.

Based on this analysis, the word that has the same or almost the same meaning as "perpetual" is unending. Both words convey the idea of something that continues indefinitely, without interruption.