gyakusuishinroketto
1. retrorocket
Noun
1. retrorocket
1. rocket
1. reverse; opposite
2. converse (of a hypothesis, etc.)
3. inverse (function)
1. to go against; to oppose
1. inverted; upside down
1. depth of water
1. rocket
1. retrogression; reversal
1. opposite effect; adverse effect
1. handstand; headstand
2. being upside down; being in reverse