"merry-go-round" | Definition and Related Words

Noun

A never-ending cycle of activities and events (especially when they seem to have little purpose) (synset 107357372)
"if we lose the election the whole legislative merry-go-round will have to start over"

is a type of: cycle - a periodically repeated sequence of events
A large, rotating machine with seats for children to ride or amusement (synset 102969645)
is a type of: ride - a mechanical device that you ride for amusement or excitement

same as: carousel, carrousel, roundabout, whirligig