o
German, noun
o is spelled O (one letter) and appears 162 times per million words in written German, the 537th most frequent German word form (wordfreq, 2021 data). O is a German neuter noun meaning “alternative letter-case form of O” (English Wiktionary, September 2026). With a capital, O is a different word: “O”. With an umlaut, ö is a different word: “alternative letter-case form of Ö”. On this page, Ö is a different word: “The letter Ö”.
What does o mean in English?
letter
- 1
neuterThe fifteenth letter of the German alphabet, written in the Latin script.
noun
- 1
neuteralternative letter-case form of O
interjection
- 1
O
letter
- 1
neuterThe fifteenth letter of the German alphabet, written in the Latin script.
noun
- 1
neuterO
noun
- 1
abbreviation of Ost; east
interfix
- 1
-o-
letter
- 1
neuterA letter of the German alphabet, written in the Latin script, the letter o with an umlaut.
noun
- 1
neuteralternative letter-case form of Ö
letter
- 1
neuterA letter of the German alphabet, written in the Latin script, an umlauted version of O.
noun
- 1
neuterThe letter Ö.
Source: English Wiktionary, German section, dump of September 2, 2026 (CC BY-SA 4.0).
How German dictionaries define it
abbreviation: 1. Abkürzung für oben 2. Abkürzung für oder 3. Abkürzung für ohne
abbreviation: 1. Kennzeichen für Sulfite 2. Ost, Osten 3. chemisches Zeichen für Sauerstoff (von lateinisch oxygenium ^(→ la)) 4. Oberst (Dienstgrad der Bundeswehr)
letter: 1. 15. Buchstabe des lateinischen Alphabets
letter: 1. fünfzehnter Buchstabe des lateinischen Alphabets
interjection: 1. einem Wort vorangesetzt kennzeichnet die Interjektion dieses als Vokativ 2. Ausruf des Erstaunens, der Verblüffung
letter: 1. Umlaut und achtundzwanzigster Buchstabe des lateinischen Alphabets als Kleinbuchstabe das Pendant zum Großbuchstaben Ö
letter: 1. Umlaut und achtundzwanzigster Buchstabe des lateinischen Alphabets
interfix: 1. [1] Fugenelement in Wortbildungen mit meist griechischstämmigen Bestandteilen
The definition in the German Wiktionary, in German.
Source: German Wiktionary, dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of o
- O uppercase
- os plural
- o lowercase
- Os plural
- Ö uppercase
- ös plural
- ö lowercase
- Ös plural
- okklusal abbreviation
Source: English Wiktionary and German Wiktionary (dumps of September 2, 2026 and September 1, 2026).
English words that translate to o
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is o in German?
o appears 162 times per million words in written German.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).