O — Meaning, Definition & Synonyms
Meaning & Definition of O
O (noun)
- the 15th letter of the English alphabet
- a graphic representation of this letter
- a speech counterpart of orthographic o
- the one of the four ABO blood groups characterized by the absence of antigens designated by the letters A and B and by the presence of antibodies against these antigens
O (abbreviation)
- ocean
- ohm
- old
- order
- over
- offense
- Ohio
- pint
O (interjection)
- —used to express an emotion (such as surprise or desire) or in response to physical stimuli
- —used in direct address
- —used to express acknowledgment or understanding of a statement
O (symbol)
- oxygen
O (noun) — Senses, Synonyms & Antonyms
-
the numerical symbol 0 or the absence of number or quantity represented by it
"our zip code is six-o-three-seven-five"
Synonyms, Thesaurus & Another Word for O
The most common words with a similar meaning to O:
Word Forms of O
Origin & Etymology of O
First known use: before 12th century
Words & Phrases Containing O
Frequently Asked Questions about O
What does "O" mean?
"O" means the 15th letter of the English alphabet. As an a noun, an abbreviation, an interjection and a symbol, it is defined as: the 15th letter of the English alphabet.
What is another word for "O"?
Other words for "O" include aught, cipher, goose egg, naught, nil, nothing, oh and zero. The best synonym depends on which meaning of "O" you intend.
What are different ways to say "O"?
There are 12 words and phrases with a similar meaning to "O". Common alternatives include aught, cipher, goose egg, naught, nil, nothing, oh, zero, zilch and zip.
How do you use "O" in a sentence?
Examples of "O" in a sentence: "our zip code is six-o-three-seven-five".
Is "O" a noun, verb, or adjective?
"O" can be used as a noun, an abbreviation, an interjection and a symbol, depending on the context.
How do you pronounce "O"?
"O" is pronounced /ˈō/.
What is the origin of the word "O"?
First known use: before 12th century.
What is another word for "O" meaning "the numerical symbol 0 or the absence of number or quantity represented by it"?
When "O" (noun) means the numerical symbol 0 or the absence of number or quantity represented by it, synonyms include aught, cipher, goose egg, naught, nil and nothing.