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Are you planning to invite your whole extended family to the wedding?

ex • ten • sion / ik stenjn / noun

1 [ count, noncount ] the act of making something bigger or longer

the extension of the president's powers

[ count ] a new part that you add to a building to make it bigger

They built an extension on the back of the house.

[ count ] extra time that you are allowed to do something

I need to ask my tutor for an extension on my English paper.

[ count ] one of the telephones in a building that is connected to the main telephone

Can I have extension 4110, please?

ex • ten • sive / ik' stensiv / adjective

large in area or amount

The house has extensive grounds.

Many buildings suffered extensive damage .

ex • tent / ik ' stent / noun [ noncount ]

how big something is

I had no idea of the full extent of the problem (= how big it was ) .

to a certain extent ; to some extent

used to show that you do not think something is completely true

I agree with you to a certain extent.

ex • te • ri • or / ik stirisr / noun

[ count , usually singular ]

the outside part of something, especially a building We painted the exterior of the house white.

—ANTONYM interior

ex • te • ri • or adjective

an exterior door —ANTONYM interior

ex • ter • nalaw / ik ' stsrnl / •

on, of, or from the outside external walls —ANTONYM internal

ex • tinct / ik ' stigkt / adjective ( biology ) If a type of animal or plant is extinct , it does not exist now

Dinosaurs became extinct millions of years ago.

ex • tinc • tion / ik'stigkjn / noun [ noncount ] The panda is in danger of extinction.

ex • tin • guish / ik' stiggwij / verb ( ex . tin . guish . es , ex tin . guish . ing , ex . tin guished )

( formal )

to make something stop burning

It took several hours to extinguish the fire.

—SYNONYM put out

ex . tra 1 Ф / 'ekstrs / adjective, adverb

more than what is usual

I've put an extra blanket on your bed because it's cold tonight.

The room costs $100, and you have to pay extra for breakfast.

ex • tra2 / ' ekstrs / noun [ count ]

a person in a movie, etc. who has a small, not important part, for example in a crowd

something that costs more, or that is not usually included All the little extras added $300 to the cost of the computer.

ex • tract 1 AWL / ik' strrekt / verb ( ex . tracts , ex tract . ing , ex tract . ed ) ( formal )

to take something out, especially with difficulty

We'll have to extract two teeth to make room for the new

ones.

ex • tract2AWL / ' ekstrakt / noun [ count ]

( english language arts , music ) a part of a book, piece of

music, etc. that shows what the rest is like

We're reading extracts of Thoreau and Emerson this

semester.

ex • tra • cur • ric • u • lar / |ekstraka ' rikyalar /

adjective

not part of the usual studies at a school or college

His extracurricular activities include sports and music

lessons.

ex • traor • di •nar • y / ik ' strainer! /

adjective

very unusual or strange

What an extraordinary thing to say!

ex • trav • a • gant / ik ' stravagant / adjective

If you are extravagant , you spend too much money He's pretty extravagant — he goes everywhere by taxi. ► ex • trav • a • gance / ik ' stravagans / noun [ count, noncount ]

the act or habit of spending too much money There are no limits to his extravagance.

ex .treme Ф / ikstrim/ adjective

very great or strong