The word assiduously is an adverb, a word that modifies a verb, an adjective, or another adverb. Example:
He worked assiduously to complete the assignment on time.
With care and persistence
adverb
what part of speech is work
i want to know what part of speech is camping
what part of speech is beneath
With care and persistence
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
adverb
what part of speech is work
Assiduously means with great care and diligence.
He worked assiduously on his research project, devoting long hours each day to ensure it was completed to the highest standard.
Sashay is a verb. It means to walk in an exaggerated, showy manner, often with hip swaying.
"Did not" or "didn't" is a contraction of the auxiliary verb "did" and the adverb "not," forming a negative past tense construction in English.
The word speech is a noun.
Adjective