adjective

 

more, or more than usual

Can I invite a few extra people?

 

noun

 

more something that costs more when you buy goods or pay for a service

The hi-fi comes with optional extras such as headphones and remote control.

 

actor an actor in a film who does not have a main part and usually plays someone in a crowd

 

adverb

 

more than usual

Do you get paid extra for working late?