As you may have noticed, above you will find words for "A non-Newtonian propulsion system (a drive that propels while violating the Newtonian law requiring an equal and opposite reaction to an action); a reactionless drive (a drive which does not use propellant).". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.