Definition of zoo
- The convention was a zoo.
The sixth grade classroom was a zoo after recess.
The supermarket was a real zoo on the night before the storm.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'zoo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: circa 1847See Words from the same year
: a place where many kinds of animals are kept so that people can see them
: a place, situation, or group that is crowded, loud, and uncontrolled
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