Word: killingly
Part of speech: Adverb
Syllables: kill
ing
ly
Definition: So as to incapacitate with laughter.
Morphemes:
Affix: kill
Language: en
PoS: Verb
Meaning: To succeed with an audience, especially in comedy.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form uncountable nouns from verbs denoting the act of doing something, an action.
Affix: -ly
Language: en
PoS: Suffix
Meaning: Used to form adverbs from adjectives.