Learner's definition of CARNIVAL
1 [count, noncount]
orCarnival : a festival held before Lent that includes music and dancing
2 a : a form of entertainment that travels to different places and includes rides and games you can play to win prizes b : an event where many people gather to celebrate something : festival 3 [count] : a time or place that is exciting, lively, colorful, etc.
That part of town is a carnival on Friday and Saturday nights.
There is a carnival atmosphere in the office.
The garden became a carnival of color.