odd
adj.adj. different from what is normal or expected. You use it to describe something that feels strange, surprising, or hard to explain.
adj. differing from what is usual, expected, or standard; strange. Also used in mathematics to describe an integer that cannot be divided exactly by two.
It is odd that he didn't call me back today.
The car was making an odd clicking sound every time I turned the steering wheel to the left.
While the results of the experiment seemed odd at first glance, a closer inspection of the data revealed a consistent pattern that challenged our initial hypothesis.
Commonly used as a predicative adjective after 'be' or 'seem', or as an attributive adjective before a noun.
He is an odd person, he has no friends.He is a bit odd; he prefers to spend time alone.In social contexts, 'odd' can sound judgmental or slightly negative; learners should use it carefully when describing people.