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Could someone look up this word in a dictionary?

I look up all new words using my online dictionary.

You should look up words you don't know in the dictionary.

I need to look up her number.

look up

look up a dictionary

Students should have a dictionary to look up the unknown words.

Don't look up if you don't have your sunglasses on.

If you don't know this word, just look it up in a dictionary. I'll look up his number in the phone book. I don't know the address of the hospital - can you look it up on the Internet?

Finally things are starting to look up - I've been offered a job and I'm going on my first date in years!

I will have to look up the new words.

look for an address, name, word, etc. in a book, list, etc./I takes time to look up new vocabulary words.

look up a phone number, word

You should look up words I borrowed from you?

when you click a link, your browser has to first look up the link's host in order to load the subsequent page