negating (part of speech: verb)
disavowing, denying, nullifying, inverting, invalidating, checking, disproving, canceling, disaffirming, disclaiming, renouncing, effacing, disputing, contradicting, repudiating, negating, overturning, counterbalancing
inverting (part of speech: verb)
reverting (part of speech: verb)
- Reversing the Sandra's ends had neither increased nor decreased the rate at which the asteroid's purple stream was bringing her closer. - "The Passing of Ku Sui", Anthony Gilmore.
- It must be easy of application, however, for it is noticeable that, no sooner do professional wits hear a sentence spoken than they experiment to see if a meaning cannot be obtained by reversing it,- by putting, for instance, the subject in place of the object, and the object in place of the subject. - "Laughter: An Essay on the Meaning of the Comic", Henri Bergson.
- By reversing combs containing common cells full of brood, I have put the worms in a horizontal position; but they were not injured. - "New observations on the natural history of bees", Francis Huber.