1
always used before a noun
: more than is usual or necessary : additional
a sandwich with extra mayonnaise
She got a part-time job to earn some extra money.
He gave us an extra week to finish the job.
There's no extra charge for breakfast.
Room service is/costs an extra $5. = You have to pay an extra $5 for room service.
2
: costing more : requiring additional payment
Breakfast is included in the price, but room service is extra. [=you have to pay more for room service]
1
: beyond the usual size or amount
extra long
extra large eggs
You have to pay $5 extra for room service.
2
somewhat informal
: very or unusually
The food was extra good.
The roads are slippery, so be extra careful.
This is an extra special occasion.
She tried extra hard.
plural extras
1
: something that is added especially to make a product, service, etc., more appealing
The package deal includes some nice extras.
The bill doesn't include any hidden extras. [=extra costs]
2
: a person hired to act in a group scene in a movie
Thousands of extras were hired for the battle scene.
Cite this Entry
“Extra.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/extra. Accessed 29 Jul. 2026.
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