odd number
noun
: a whole number that is not able to be divided by two into two equal whole numbers
The numbers 1, 3, 5, and 7 are odd numbers.
Examples of odd number in a Sentence
Recent Examples on the Web
The notices are required by both state law and the federal National Voter Registration Act, which requires county clerks to maintain accurate voter records and confirm voters in odd number years.
—
Arkansas Online, 20 Aug. 2025
To address the structure of the legislature, the proposal would tie the size of the General Assembly to the state’s population as determined by the decennial census, with one state Senate seat per 215,000 residents, rounded down to the nearest odd number.
—Dan Petrella, Chicago Tribune, 19 Aug. 2025
The odd number of hot dogs sparked debate on the internet.
—Moná Thomas, People.com, 13 Aug. 2025
Unlike most cruise ships that have odd number staterooms on one side of the ship and even numbers on the other, Virgin has an A side and a Z side.
—Lois Alter Mark, Forbes.com, 31 July 2025
Choose one or two flowers as the focal point, then use an odd number to surround them for balance.
—Andrea Beck, Better Homes & Gardens, 13 July 2025
But dogs are happiest on their own, stepping on their water bowls,
staring up at the mystery of a closed door,
walking from room to room
before making three circles
like the odd number of flowers in a vase.
—Billy Collins, New Yorker, 16 June 2025
Will the winning horse have an odd number or an even number?
☐ Odd
☐ Even
13.
—Vik Chokshi, New York Times, 2 May 2025
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Arkansas Online, 20 Aug. 2025
To address the structure of the legislature, the proposal would tie the size of the General Assembly to the state’s population as determined by the decennial census, with one state Senate seat per 215,000 residents, rounded down to the nearest odd number.
—Dan Petrella, Chicago Tribune, 19 Aug. 2025
The odd number of hot dogs sparked debate on the internet.
—Moná Thomas, People.com, 13 Aug. 2025
Unlike most cruise ships that have odd number staterooms on one side of the ship and even numbers on the other, Virgin has an A side and a Z side.
—Lois Alter Mark, Forbes.com, 31 July 2025
Choose one or two flowers as the focal point, then use an odd number to surround them for balance.
—Andrea Beck, Better Homes & Gardens, 13 July 2025
But dogs are happiest on their own, stepping on their water bowls,
staring up at the mystery of a closed door,
walking from room to room
before making three circles
like the odd number of flowers in a vase.
—Billy Collins, New Yorker, 16 June 2025
Will the winning horse have an odd number or an even number?
☐ Odd
☐ Even
13.
—Vik Chokshi, New York Times, 2 May 2025
Cite this Entry
“Odd number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/odd%20number. Accessed 18 Sep. 2025.
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