uppercase
adjective, noun, verb
uppercase is spelled U-P-P-E-R-C-A-S-E: 9 letters. It appears about once in every 3 million words in written English, the 54,808th most frequent word form (wordfreq, 2021 data). As an adjective, uppercase means “Written in upper case; capital” (English Wiktionary, September 2026).
How many letters and syllables are in uppercase?
| Letters | 9: U-P-P-E-R-C-A-S-E |
|---|---|
| In writing | about once in every 3 million words; the 54,808th most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people 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); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How common is uppercase?
Uppercase appears about once in every 3 million words in written English, the 54,808th 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).
Words people confuse with uppercase
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: upper-case (one word or two).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
Forms of uppercase
- upper-case
- uppercases present, singular, he/she/it
- uppercasing participle, present
- uppercased participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does uppercase mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Written in upper case; capital.
verb
- 1
To convert (text) to upper case.
noun
- 1
Alternative form of upper case.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Uppercase in Spanish, French, German and Portuguese
In the sense written in upper case:
| Language | Words |
|---|---|
| French | majuscule |
| German | großgeschrieben, groß |
| Spanish | versal, de caja alta, titular |
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 uppercase come from?
From upper + case.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).