overspeeding1
/ˌəʊvəˈspiːdɪŋ/noun
The action of overspeeding.
Origin
Late 19th century; earliest use found in The Manufacturer and Builder. From over- + speeding.
overspeeding2
/ˌəʊvəˈspiːdɪŋ/adjective
That travels too quickly; that exceeds a speed limit. Also: (of an engine) that turns over more quickly than is safe for the gearing.
Origin
Early 20th century; earliest use found in The Westminster Gazette. From over- + speeding.