Superluminal

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Faster than light; having a speed greater than light. not-comparable

    "The first thing to understand about superluminal expansion is that it isn't visible to the unaided eye. The objects that appear to be moving faster than light are emitting radio waves, not visible light."

Synonyms

All synonyms
faster than lightfaster-than-lightftlftlhyperlightsupercausal

Example

More examples

"Faster-than-light, aka superluminal, space travel was not discovered until centuries later."

Etymology

From super- + luminal.

Related phrases

superluminal communicationsuperluminal motionsuperluminal particlesuperluminal radio sourcefaster than light

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