'Merry-go-round' definitions:

Definition of 'merry-go-round'

From: WordNet
noun
A never-ending cycle of activities and events (especially when they seem to have little purpose); "if we lose the election the whole legislative merry-go-round will have to start over"
noun
A large, rotating machine with seats for children to ride or amusement [syn: carousel, carrousel, merry-go-round, roundabout, whirligig]

Definition of 'Merry-go-round'

From: GCIDE
  • Merry-go-round \Mer"ry-go`-round"\, n. Any revolving contrivance for affording amusement; esp., a group of seats in the shape of hobbyhorses or other fanciful animals, arranged in a circle on a platform that is rotated by a mechanical drive, often to the accompaniment of music; the seats often move up and down in synchrony with the rotation; -- called also carousel. It is employed primarily for the amusement of children, and is typically found at an amusement park. [1913 Webster]

Synonyms of 'merry-go-round'

From: Moby Thesaurus