Dictionary.com
Thesaurus.com
Synonyms

look up

British  

verb

  1. (tr) to discover (something required to be known) by resorting to a work of reference, such as a dictionary

  2. (intr) to increase, as in quality or value

    things are looking up

  3. to have respect (for)

    I've always wanted a girlfriend I could look up to

  4. (tr) to visit or make contact with (a person)

    I'll look you up when I'm in town

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

look up Idioms  
  1. Search for in a book or other source, as in I told her to look up the word in the dictionary . [Late 1600s]

  2. Call on or visit, as in I'm going to look up my friend in Chicago . [Mid-1800s]

  3. Become better, improve, as in Business is finally looking up . [c. 1800]

  4. look up to . Admire, respect, as in The students really looked up to Mr. Jones . [Early 1700s]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If you look up some of the basic stats of this season, Bournemouth have the most interceptions in the Premier League.

From BBC • Apr. 17, 2026

“I would suggest to you that when you look up here, you’re not looking at us,” said Canadian Space Agency astronaut and Artemis II mission specialist astronaut Jeremy Hansen, back in Houston Saturday.

From Los Angeles Times • Apr. 12, 2026

Asked about which dinosaurs he’d hope to see in the movie, Choudhury lists off several that I have to look up, rusty from my years away from textbooks.

From Salon • Apr. 12, 2026

The Artemis crew members are joining the tiny club of humans who can look up at the moon on a summer night and think: I went there.

From The Wall Street Journal • Apr. 11, 2026

I look up at the walls and ceiling, covered with elaborate designs and colorful etchings.

From "Across So Many Seas" by Ruth Behar

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "look up" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com