Word
extend
Phoneticsex·tend, stress on the second syllable
US/ɪkˈstɛnd/
UK/ɛkstˈɛnd/
Definitions
01to make longer or larger
B1 · Intermediate
v. to make something bigger or longer in space.
v. to increase the physical length, area, or scope of something.
日本語:広げる※
“The family decided to extend their kitchen to make room for a larger dining table.”
“The city council plans to extend the light rail system into the northern suburbs to alleviate morning traffic congestion.”
02to make last longer
B1 · Intermediate
v. to make something continue for a longer time.
v. to prolong the duration of an event, deadline, or period of time.
日本語:延長する※
“The teacher agreed to extend the deadline for the essay until Friday.”
“The government decided to extend the tax incentive for another fiscal year to encourage further investment in renewable energy.”
03to reach or cover an area
B2 · Upper Intermediate
v. to reach a certain point or cover a specific distance.
v. to occupy a certain space or reach a specific physical limit.
日本語:及ぶ※
“The forest extends for miles along the coast.”
“The property line extends all the way to the river bank, though the fence stops several meters short of the water.”
04to offer or give
B2 · Upper Intermediate Formal
v. to offer something to someone, like an invitation, thanks, or a hand.
v. to formally offer or bestow a gesture, invitation, or sentiment.
“I would like to extend a warm welcome to our guest speaker today.”
“The CEO extended an invitation to the junior analysts to join the strategy meeting, seeking a fresh perspective on the market trends.”
05to straighten a limb
C1 · Advanced Medicine Technical
v. to straighten out your arm or leg.
v. to straighten a joint or limb, increasing the angle between the bones.
“Extend your arms fully above your head while you breathe in.”
“The physical therapist instructed the patient to slowly extend the knee until the leg was completely straight, monitoring for any signs of discomfort.”
Synonyms
06software inheritance
C1 · Advanced Computing Technical
v. to use an existing set of computer code to build a new, more specific one.
v. to create a subclass that inherits the properties and methods of a parent class.
“In this program, the 'Car' class will extend the 'Vehicle' class.”
“By choosing to extend the base controller, the developer was able to reuse the authentication logic without duplicating code across the application.”
Collocations
Common phrases and expressions where native English speakers use the word “extend” in context.
Verb
01. extend analysis
“We need to extend our analysis to cover the data from the last quarter.”
verb + noun
02. extend idea
“The author decided to extend the idea into a full-length novel.”
verb + noun
03. extend knowledge
“Reading widely is a great way to extend your knowledge of different cultures.”
verb + noun
04. extend model
“Researchers hope to extend the current model to include more variables.”
verb + noun
05. extend range
“The singer worked hard to extend her vocal range for the new opera.”
verb + noun
06. extend research
“The university received a grant to extend its research into renewable energy.”
verb + noun
07. extend understanding
“This course is designed to extend your understanding of economic principles.”
verb + noun
08. extend work
“The artist plans to extend his work by experimenting with digital media.”
verb + noun
Adverb
09. easily extend
“You can easily extend the battery life by reducing the screen brightness.”
adv + verb
10. gradually extend
“The company plans to gradually extend its services to neighboring countries.”
adv + verb
11. greatly extend
“New medical treatments can greatly extend the life expectancy of patients.”
adv + verb
12. later extend
“The pilot program was successful, so they decided to later extend it to all schools.”
adv + verb
Real-World Examples
“Jon Fosse’s Septology extends a single sentence over seven volumes.” “London continues to extend its lead with 32.7% of pupils receiving grade A or above, up from 31.9% last year.” “As mentioned above, in scooter mode, the pedals rest on a small bit of metal that can extend from the frame or be clicked into the scooter’s body and held out of the way.” “And not only central Europe – they also spread across the English Channel and throughout Britain, extending as far north as Orkney .” Etymology
From Middle English extenden, from Anglo-Norman extendre, estendre, from Latin extendō (“to stretch out”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
ADJECTIVE
ADVERB
Idioms
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper IntermediateOxford
- Updated
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QR code
englishreference.com/q/extend
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0