invert - definition and synonyms

verb [transitive] formal 

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/ˌɪnˈvɜː(r)t/
present tense
I/you/we/theyinvert
he/she/itinverts
present participleinverting
past tenseinverted
past participleinverted
  1. to put something in the opposite position to the one it was in before, especially by turning it upside down
     Synonyms and related words