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Wiktionary
ultrabright

a. (context physics English) Very bright

Usage examples of "ultrabright".

We knew what was going on in the Kuiper belt, battles between Ultrabright factions, Superbright complexes going NP-slow, big energy-intensive restructuring in the Oort halo around the outer system.

An Ultrabright attacker zaps every unshielded Expansion processor and carbon-based lifeform in the system.