No, the word 'briefly' is an adverb, a word that modifies a verb. Example sentence:
We briefly stopped at the library to return some books.
No, briefly is an adjective.
The word "briefly" is not a noun. It is an adverb. A related abstract noun is brevity (briefness). An example of an abstract noun is the word "freedom" because abstract nouns are not something physical like a place or a person, but an idea like freedom or justice or happiness.
Verb Refer to something briefly and without going into detail. Noun A reference to someone or something.
"Snooze" can be a proper noun if it refers to a specific brand, service, or product, such as an app or a company name. However, in general usage, "snooze" is a common noun that describes the act of briefly delaying an alarm or sleep. Whether it is a proper noun depends on the context in which it is used.
more briefly, most briefly
The noun duration has an adjective form, durational, but not an adverb form.---Adverbs of duration are adverbs of time, including briefly, constantly, incessantly, and continuously.
Yes, most commonly is used as a verb. It is means to "see briefly". It can be used occasionally as a noun, as in "I caught a glimpse of something off in the corner."
briefly
more briefly
Briefly is the correct spelling.
Yes, the word 'mention' is both a noun (mention, mentions) and a verb (mention, mentions, mentioning, mentioned).Examples:There was a mention of our opening in the newspaper today. (noun)I will mention your concerns to the contractor. (verb)
You would say "Jack and Jill talked briefly."