speed ‧ ing /ˈspiːdɪŋ/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ speed , ↑ speeding ; verb : ↑ speed ; adverb : ↑ speedily ; adjective : ↑ speedy ]
the offence of driving faster than the legal limit:
a speeding ticket
She got stopped for speeding.