Definitions

1. preposition

in or concerning a particular period of time; used to indicate a certain relationship or distance in space or time

“She’s been working about 10 years.”

2. adverb

approximately; nearly

“I’m about 20 minutes late.”

3. noun

a brief informal description or summary of a subject

“Can you give me a summary, or about what happened?”

4. verb

to be located or situated in a particular place

“The restaurant is about 5 minutes from here.”