Extra | Mean of extra in English Dictionary

/ˈɛkstrə/

• more than is usual or necessary
1. a sandwich with extra mayonnaise
2. She got a part-time job to earn some extra money.
3. He gave us an extra week to finish the job.
4. There's no extra charge for breakfast.
5. Room service is/costs an extra $5. = You have to pay an extra $5 for room service.
• costing more
1. Breakfast is included in the price, but room service is extra. [=you have to pay more for room service]
• beyond the usual size or amount
1. extra long
2. extra large eggs
3. You have to pay $5 extra for room service.

• very or unusually
1. The food was extra good.
2. The roads are slippery, so be extra careful.
3. This is an extra special occasion.
4. She tried extra hard.
• Noun
• something that is added especially to make a product, service, etc., more appealing
1. The package deal includes some nice extras.
2. The bill doesn't include any hidden extras. [=extra costs]
• a person hired to act in a group scene in a movie
1. Thousands of extras were hired for the battle scene.