look up

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 text source.

   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 with a figurative or idiomatic meaning: see look,‎ up.

   We stayed up late to look up at the stars.

• look someone up and down
• look up to
• lookup

• uplook