look upverb/ˌlʊk ˈʌp/

• 1

  Used other than figuratively or idiomatically: see look, up.

  • We stayed up late to look up at the stars.
• 2

  To have better prospects.

  • Things started looking up after Jim moved back in with his parents.
• 3

  To obtain, or seek to obtain, information about something.

  • The United States Supreme Court, for example, has decided that a book or a film can be banned if it arouses the prurient interests of the average person. Now prurient—I looked that up—it means having itching morbid or lewd and lascivious desires.
  • "Why do you know about transgender stuff? Did you look it up because of me?" "Oh no. I find wanting to change forms totally normal. It never would've occurred to me."
• 4

  To obtain, or seek to obtain, information about something.

  • I didn't know what a mitochondrion was until I looked it up in a dictionary.
• 5

  To obtain, or seek to obtain, information about something.

  • If you look up a bunch of random characters, there will probably be no results.
• 6

  To reconnect or meet with someone that one used to know.

  • Look me up next time you’re in town—if you can bring me some new ideas.