lucid
/ˈl(j)uːsɪd/adjective, noun
lucid is spelled L-U-C-I-D: 5 letters and 2 syllables. It appears 1.9 times per million words in written English, the 20,356th most frequent word form (wordfreq, 2021 data). As an adjective, lucid means “Clear; easily understood” (English Wiktionary, September 2026).
How many letters and syllables are in lucid?
| Letters | 5: L-U-C-I-D |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 1.9 times per million words; the 20,356th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is lucid?
Lucid appears 1.9 times per million words in written English, the 20,356th 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 lucid?
- /ˈl(j)uːsɪd/
Lucid has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-lucid.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with lucid?
No other word on PlainSpell ends in the same sounds as lucid.
Spelled with the same letters in another order: ludic.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of lucid
- lucider comparative
- more lucid comparative
- lucidest superlative
- most lucid superlative
- lucids plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does lucid mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Clear; easily understood.
- 2
Mentally rational; sane.
- 3
Bright, luminous, translucent, or transparent.
noun
- 1
A lucid dream.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Lucid in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | clair, claire , lucide |
| German | klar, übersichtlich, verständlich, einleuchtend, luzid, deutlich |
| Portuguese | lúcido |
| Spanish | lúcido , lucido, brillante |
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 lucid come from?
Latin lucidus, from lūceō (“shine”) + -idus.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).