zoo 
/ˈzu:/ noun
plural zoos /ˈzu:/ noun 1 [count] : a place where many kinds of animals are kept so that people can see them — see also petting zoo 2 [singular] informal : a place, situation, or group that is crowded, loud, and uncontrolled
▪ The sixth grade classroom was a zoo after recess. ▪ The supermarket was a real zoo on the night before the storm.
▪ The sixth grade classroom was a zoo after recess. ▪ The supermarket was a real zoo on the night before the storm.
