look up

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See also: lookup and look-up



  • (file)


look up (third-person singular simple present looks up, present participle looking up, simple past and past participle looked up)

  1. (intransitive, idiomatic) To have better prospects.
    Synonyms: get better, improve; see also Thesaurus:improve
    Things started looking up after Jim moved back in with his parents.
  2. (transitive, idiomatic) To obtain information about something from a source (chiefly textual sources) by reading or looking.
    Synonym: consult
    I didn't know what a mitochondrion was until I looked it up in a dictionary.
  3. (transitive) To track down or search for (someone that one used to know).
    Synonyms: search, track down
  4. Used other than figuratively or idiomatically: see look,‎ up.
    We stayed up late to look up at the stars.

Related terms[edit]