Home › Words › S › swingbyswingbyswingby means an interplanetary flight in which the gravitational attraction of a planet is used to provide acceleration and a change in course.EtymologyFrom swing + by.nounAn interplanetary flight in which the gravitational attraction of a planet is used to provide acceleration and a change in course.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.inswing 57% match — An inward swinging motion. vs swingby →flyby 56% match — A flight past a celestial object in order to make observations. vs swingby →swingingly 56% match — With a swinging motion. vs swingby →aswing 56% match — In a state of swinging. vs swingby →swingable 55% match — Capable of being swung, or made to swing. vs swingby →sidespin 54% match — Rotation around a vertical axis that makes a ball or other object curve in flight. vs swingby →swingboat 54% match — A fairground ride consisting of an open gondola which swings back and forth. vs swingby →downswing 54% match — The portion of any movement along an arc or curve, heading in a lower direction. vs swingby →