Definitions

1. noun

one of five equal parts into which something is divided

“The fifth floor of the office building had a great view.”

2. adjective

coming next after four others in a series or sequence

“The fifth day of the week is Friday.”

3. adverb

to a degree or extent of five

“She was fifthly impressed by the beauty of the city.”

4. adverb

to a fifth degree or extent

“The company’s profits were fifthly affected by the economic downturn.”

5. noun

a musical note a fifth above another note

“The composer used the fifth in the melody.”