LSD
noun
LSD is spelled L-S-D: 3 letters and 3 syllables. It appears 1.8 times per million words in written English, the 20,906th most frequent word form (wordfreq, 2021 data). As a noun, LSD means “Initialism of £sd (pounds, shillings, pence)” (English Wiktionary, September 2026). The plural of LSD is LSDs.
How many letters and syllables are in LSD?
| Letters | 3: L-S-D |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 1.8 times per million words; the 20,906th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is LSD?
LSD appears 1.8 times per million words in written English, the 20,906th 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 LSD?
LSD has 3 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).
Forms of LSD
- LSDs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does LSD mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
IrelandUKdatedInitialism of £sd (pounds, shillings, pence).
- 2
Abbreviation of lysergic acid diethylamide.
- 3
Initialism of Lake Shore Drive (freeway in Chicago).
- 4
Initialism of long slow distance (training method of long-distance running).
- 5
Initialism of longshore drift (geological process by which sediments move along a beach shore).
- 6
Initialism of limited-slip differential.
- 7
Initialism of lumpy skin disease.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
LSD in Spanish, French, German and Portuguese
In the sense lysergic acid diethylamide:
| Language | Words |
|---|---|
| German | LSD |
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 LSD come from?
Borrowed from Latin lībra solidus dēnārius.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).