adjective \ ˈäd \
|Updated on: 11 Aug 2018

Definition of odd

1 a : being without a corresponding (see corresponding 1) mate
  • an odd shoe
b (1) : left over after others are paired or grouped
  • came without his wife and thus turned out to be the odd guest at the party
(2) : separated from a set or series
  • had in his possession only two or three odd volumes of the original 12-volume set
2 a : somewhat more than the indicated approximate quantity, extent, or degree usually used in combination
  • 300-odd pages
b (1) : left over as a remainder
  • had a few odd dollars left after paying his bills
(2) : constituting a small amount
  • had some odd change in her pocket
3 a : being any of the integers (such as −3, −1, +1, and +3) that are not divisible by two without leaving a remainder
b : marked by an odd number of units
  • needed two odd-length boards, one of three feet and one of five feet
c : being a function (see 1function 5a) such that f (−x) = −f (x) where the sign is reversed but the absolute value remains the same if the sign of the independent variable is reversed
4 a : not regular, expected, or planned
  • worked at odd jobs
b : encountered or experienced from time to time : occasional
  • manages to get in some reading at odd moments
5 : having an out-of-the-way location : remote
  • found it in some odd corner of the house
6 : differing markedly from the usual, ordinary, or accepted : peculiar
  • a very odd way to show gratitude



Examples of odd in a Sentence

  1. She had an odd look on her face.

  2. People would call at odd hours during the night.

  3. She's got a really odd sense of humor.

  4. Some rather odd people used to live in this house.

  5. There was something odd about his story.

  6. It's odd that nobody told me about this before.

  7. That's odd. He was here a minute ago.

  8. That is one of the oddest creatures I have ever seen.

  9. She kept a stack of magazines that she would read at odd moments.

  10. During the summer, he would do odd jobs for his neighbors to earn extra money.

Recent Examples of odd from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'odd.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of odd

Middle English odde, from Old Norse oddi point of land, triangle, odd number; akin to Old English ord point of a weapon

Synonym Discussion of odd

strange, singular, unique, peculiar, eccentric, erratic, odd, quaint, outlandish mean departing from what is ordinary, usual, or to be expected. strange stresses unfamiliarity and may apply to the foreign, the unnatural, the unaccountable.
    • a journey filled with strange sights
singular suggests individuality or puzzling strangeness.
    • a singular feeling of impending disaster
unique implies singularity and the fact of being without a known parallel.
    • a career unique in the annals of science
peculiar implies a marked distinctiveness.
    • the peculiar status of America's first lady
eccentric suggests a wide divergence from the usual or normal especially in behavior.
    • the eccentric eating habits of preschoolers
erratic stresses a capricious and unpredictable wandering or deviating.
    • a friend's suddenly erratic behavior
odd applies to a departure from the regular or expected.
    • an odd sense of humor
quaint suggests an old-fashioned but pleasant oddness.
    • a quaint fishing village
outlandish applies to what is uncouth, bizarre, or barbaric.
    • outlandish fashions of the time

ODD Defined for English Language Learners


Definition of odd for English Language Learners

  • : strange or unusual : different from what is normal or expected

  • : happening in a way that is not planned or regular

  • : of different kinds or types

ODD Defined for Kids


adjective \ ˈäd \

Definition of odd for Students

odder; oddest
1 : not usual or common : strange
  • Walking backward is an odd thing to do.
2 : not usual, expected, or planned
  • He does odd jobs to earn extra money.
  • Finding the passage was an odd stroke of luck.
3 : not capable of being divided by two without leaving a remainder
  • The odd numbers include 1, 3, 5, 7, etc.
4 : not one of a pair or a set
  • She found an odd glove.
5 : being or having a number that cannot be divided by two without leaving a remainder
  • an odd year
6 : some more than the number mentioned
  • The ship sank fifty odd years ago.





Medical Dictionary



medical Definition of ODD

oppositional defiant disorder

Seen and Heard

What made you want to look up odd? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


fullness to the point of excess

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!