First-ever

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    That has happened, been experienced, or recorded for the first time. not-comparable

Example

More examples

"NASA is developing a first-ever robotic mission to visit a large near-Earth asteroid and collect a multi-ton boulder from its surface."

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