superluminal

S1U1P3E1R1L1U1M3I1N1A1L1

adjective

Faster than light; having a speed greater than light.

UncommonScrabble 16

Meanings

adjectivesuperluminal (not comparable)
  1. not comparableastronomyFaster than light; having a speed greater than light.

    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.

    1984, Edward Edelson, “Faster than light?”, in Popular Science, retrieved 20 Nov 2013, page 70

    Synonyms: FTL, hyperlight, supercausal, superlumic · Antonyms: STL, sublight, subluminal, sublumic

Synonyms & antonyms

adjectiveFaster than light; having a speed greater than light.

Origin

  1. Proto-Indo-European*úp
  2. Proto-Indo-European*upér
  3. Proto-Italic*super
  4. Latinsuper
  5. Latinsuper-
  6. Englishsuper-
  7. Latinlumina
  8. Proto-Indo-European*h₂el-
  9. Proto-Indo-European*h₂élisder.?
  10. Englishluminal
  11. Englishsuperluminal

From super- + luminal.

Full word history & related roots →

Translations

German superluminar, überlichtschnell
  • superluminarhaving a speed greater than light
  • überlichtschnellhaving a speed greater than light
Greek υπερφωτοταχικός
  • υπερφωτοταχικός (yperfototachikós)having a speed greater than light
Icelandic ljósfrár, yfir ljóshraða
  • ljósfrárhaving a speed greater than light
  • yfir ljóshraðahaving a speed greater than light
Polish nadświetlny
  • nadświetlnyhaving a speed greater than light
Russian сверхсветовой
  • сверхсветовой (sverxsvetovoj)having a speed greater than light
Spanish superlumínico
  • superlumínicohaving a speed greater than light
Cite this entry
APA

superluminal. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/superluminal

MLA

“superluminal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/superluminal. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “superluminal,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/superluminal.

Source: superluminal on Wiktionary, CC BY-SA 4.0.