Ultrapermanent

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of great permanence; very long-lasting.

    "PVC, the hard plastic polymer polyvinyl chloride, “is not a long-term, ultrapermanent material,” he said."

Example

More examples

"PVC, the hard plastic polymer polyvinyl chloride, “is not a long-term, ultrapermanent material,” he said."

Etymology

From ultra- + permanent.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.