superluminal
adjective
superluminal is spelled S-U-P-E-R-L-U-M-I-N-A-L: 12 letters. It appears about once in every 30 million words in written English, the 165,739th most frequent word form (wordfreq, 2021 data). As an adjective, superluminal means “Faster than light; having a speed greater than light” (English Wiktionary, September 2026).
How many letters and syllables are in superluminal?
| Letters | 12: S-U-P-E-R-L-U-M-I-N-A-L |
|---|---|
| In writing | about once in every 30 million words; the 165,739th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is superluminal?
Superluminal appears about once in every 30 million words in written English, the 165,739th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce superluminal?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-superluminal.wav, Wikimedia Commons (author and licence on each file's page).
What does superluminal mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Faster than light; having a speed greater than light.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Superluminal in Spanish, French, German and Portuguese
In the sense having a speed greater than light:
| Language | Words |
|---|---|
| German | superluminar, überlichtschnell |
| Spanish | superlumínico |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does superluminal come from?
From super- + luminal.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).