out-of-round

American  

[out-uhv-round] / ˈaʊt əvˈraʊnd /

adjective

1. not perfectly round.

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Example Sentences

And even though I cut the cookies precisely — I mark the logs with a ruler — and give the logs a quarter turn now and then, so I don’t flatten them, I seem to always have a couple of out-of-round cookies.

From New York Times

The larger the pearl the more out-of-round they tend to get - they start looking lumpy.

From BBC

If your funnel gets out-of-round, it can be put back into a    circular shape by attaching a rope or string between opposite    sides which need to be brought closer together.

From Project Gutenberg