self-propelled - Wordage.info - Free Thesaurus Tool for Word Discovery - Expanded Thesaurus, Reverse Dictionary Lookup

self-propelled: moved forward by its own force or momentum; "a self-propelled egotist"; "the arms program is now self-propelled"

locomotive collapse: a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks; of or relating to locomotion

flying collapse: done swiftly in or as if in the air; used e.g. of a racing start in which runners are already in motion as they cross the starting line; "a flying start"; "crossed the goal line with a flying leap"; hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit"; of or relating to passage through the air (especially aviation); "a flying time of three hours between cities"; "unidentified flying objects"; designed for swift movement or action; "a flying police squad is trained for quick action anywhere in the city"; capable of or engaged in flight; "the bat is a flying animal"

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