these kids must first “outspell” thousands of other students from hundreds of schools across the country.

outspell? とはどういう意味ですか?

質問を翻訳

outdo means to do better than someone else

So to outdo someone in spelling is to spell better than them.

You can shorten it to outspell.

Outrun (run faster than someone) is the most common use of out_____.

"Outdo" and "outrun" are common, but others are not.

I have never heard "outspell" for example.

I would not recommend using "out______" often, except for "outrun" and "outdo."