O, or o, is the fifteenth letter and the fourth vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.

My name is John O’Leary. I’m married to my beautiful wife, Beth, and we’re raising four wonderful kids together. I’m a college graduate. I own a business that’s taken me all over the world doing a job I …

O, the fourth vowel of the modern alphabet, corresponding to the Semitic ayin, which represented a breathing and not a vowel. The Semitic form may have derived from an earlier sign representing an eye.

Accents placed on the letter O —such as Ó, Ò, Ô, Õ, and Ö —change pronunciation, meaning, or grammatical emphasis. Accented O has a unique sound, and its usage varies depending on the …

O is used to mean zero, for example when you are telling someone a phone number, or mentioning a year such as 1908.

O definition: the fifteenth letter of the English alphabet, a vowel. See examples of O used in a sentence.

3 days ago · Out of the 22,468 students who sat for the 2025 Singapore-Cambridge O-level examination, 86.9 per cent of the cohort attained five or more passes.

Definition of O noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

O, o meaning: 1. the 15th letter of the English alphabet 2. used in speech to mean zero: 3. used when talking to…. Learn more.

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