Word: speeding
Part of speech: Noun
Syllables: speed
ing
Definition: (Instance of) acceleration.
Morphemes:
Affix: speed
Language: en
PoS: Noun
Meaning: The state of moving quickly or the capacity for rapid motion.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form uncountable nouns from verbs denoting the act of doing something, an action.