look up

US /lʊk ˈʌp/
UK /lʊk ˈʌp/
"look up" picture
1.

chercher, rechercher

to search for information, especially in a reference book or on a computer

:
I need to look up the meaning of this word in the dictionary.
Je dois chercher la signification de ce mot dans le dictionnaire.
You can look up his address online.
Vous pouvez chercher son adresse en ligne.
2.

s'améliorer, aller mieux

to improve or get better

:
Things are finally starting to look up for us.
Les choses commencent enfin à s'améliorer pour nous.
His health has really looked up since he started exercising.
Sa santé a vraiment amélioré depuis qu'il a commencé à faire de l'exercice.
3.

rendre visite à, aller voir

to visit someone, especially after a long time or when you are in their area

:
I'll look you up next time I'm in town.
Je viendrai te voir la prochaine fois que je serai en ville.
He promised to look up his old college friends.
Il a promis d'aller voir ses vieux amis de fac.