sildenafil
/sɪlˈdɛn.ə.fɪl/noun
sildenafil is spelled S-I-L-D-E-N-A-F-I-L: 10 letters. It appears about once in every 9 million words in written English, the 87,317th most frequent word form (wordfreq, 2021 data). As a noun, sildenafil means “A drug that is used in the form of its citrate C₂₂H₃₀N₆O₄S·C₆H₈O₇ to treat erectile dysfunction in males, that by suppressing a phosphodiesterase…” (English Wiktionary, September 2026). The plural of sildenafil is sildenafils.
How many letters and syllables are in sildenafil?
| Letters | 10: S-I-L-D-E-N-A-F-I-L |
|---|---|
| In writing | about once in every 9 million words; the 87,317th 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 sildenafil?
Sildenafil appears about once in every 9 million words in written English, the 87,317th 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 sildenafil?
- /sɪlˈdɛn.ə.fɪl/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of sildenafil
- sildenafils plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does sildenafil mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A drug that is used in the form of its citrate C₂₂H₃₀N₆O₄S·C₆H₈O₇ to treat erectile dysfunction in males, that by suppressing a phosphodiesterase enzyme also suppresses the enzyme's inhibitory effect on the hormone cyclic GMP, and that enables the cyclic GMP produced during sexual arousal to initiate the muscular and vascular changes which produce an erection. It is marketed under the trademarks R
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does sildenafil come from?
Probably from s(ulfon)yl + -dena- (“alteration of (pyrimi)dine”) + ph(en)yl.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).