I was only at the airport briefly to change planes.
Yes, the word briefly is an adverb.An example sentence with this word is: "he was here brieflythis morning".
After we toast the marshmallows, and allow them to cool briefly, we consume them.
They met briefly on the street corner and exchanged pleasantries.
The humming bird hovered briefly then flew away.
If you are asked to annotate a bibliography, you will briefly summarize each source.
I am reading a book called underground railroad, and in one of the sentences it says; Thomas called Isabella and briefly; shook his head.
briefly
I saw his face only briefly so I wasn't able to identify him in the lineup.
An aphorism is a short pithy comment, no more than a sentence long.
After briefly stopping to talk to the crowd he continued on to his next stop.
To put it briefly would be most appreciated, sir! The Bible has great tenets, to put it briefly...
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.