Synonyms of extend

extend

verb

ik-ˈstend 

1

as in to lengthen

to make longer

our guests from out of town extended their visit by a week

Synonyms & Similar Words

• lengthen
• prolong
• increase
• stretch
• elongate
• expand
• drag (out)
• protract
• draw out
• enlarge
• outstretch
• amplify
• attenuate
• thin

Antonyms & Near Antonyms

• shorten
• cut
• curtail
• reduce
• cut back
• decrease
• diminish
• lessen
• abridge
• abbreviate
• thicken

2

as in to offer

to put before another for acceptance or consideration

the couple extended an invitation to join them for a get-together at their house after the concert

Synonyms & Similar Words

• offer
• give
• run by
• tender
• propose
• proffer
• trot out
• submit
• pose
• hold out
• volunteer
• give in

Antonyms & Near Antonyms

• receive
• take
• accept
• authorize
• approve
• confirm
• formalize
• deny
• ratify
• warrant
• sanction
• finalize
• reject
• refuse
• clear
• disallow
• OK
• decline
• negative
• disapprove
• veto
• turn down
• withdraw
• retract
• rebut
• accredit
• ignore
• spurn
• homologate
• approbate
• disregard
• overlook
• neglect
• rebuff

3

as in to expand

to arrange the parts of (something) over a wider area

you can extend that chaise longue so that it lies completely flat

Synonyms & Similar Words

• expand
• open
• unfold
• spread (out)
• stretch (out)
• unfurl
• outstretch
• outspread
• flare (out)
• fan (out)
• overspread

Antonyms & Near Antonyms

• close
• reduce
• contract
• fold
• compact
• compress
• condense

4

as in to lead

to be positioned along a certain course or in a certain direction

our backyard extends all the way to that brook

Synonyms & Similar Words

• lead
• go
• run
• lie
• pass
• head
• cut
• cross
• bear
• span
• follow
• course
• traverse

5

as in to increase

to make greater in size, amount, or number

embarked on a series of wars intended to extend his empire

Synonyms & Similar Words

• increase
• expand
• accelerate
• augment
• boost
• raise
• enhance
• multiply
• reinforce
• add (to)
• strengthen
• amplify
• maximize
• intensify
• enlarge
• escalate
• aggrandize
• swell
• stoke
• build up
• up
• pump up
• compound
• lengthen
• prolong
• supersize
• develop
• supplement
• stretch
• elongate
• heighten
• jump
• complement
• distend
• hype
• protract
• inflate
• dilate
• skyrocket
• draw out
• spike
• flesh (out)
• bump (up)
• boom
• accumulate
• magnify
• collect
• blow up
• amass
• parlay
• ratchet (up)
• follow up
• rachet (up)
• beef (up)

Antonyms & Near Antonyms

• reduce
• diminish
• decrease
• lessen
• shorten
• lower
• curtail
• subtract (from)
• downsize
• dwindle
• abate
• abridge
• abbreviate
• compress
• constrict
• condense
• contract
• minify
• de-escalate
• cut back
• retrench

6

as in to dilute

to alter (something) for the worse with the addition of foreign or lower-grade substances

the company extends its ice cream with thickeners and other additives

Synonyms & Similar Words

• dilute
• cut
• weaken
• infect
• load
• pollute
• manipulate
• thin
• spoil
• poison
• dirty
• water down
• degrade
• adulterate
• taint
• contaminate
• soil
• lace
• debase
• qualify
• cheapen
• attenuate
• defile
• misrepresent
• sully
• sophisticate
• falsify
• corrupt
• temper
• tamper (with)
• moderate
• foul
• befoul
• spike
• counterfeit
• fake
• envenom
• doctor
• fudge

Antonyms & Near Antonyms

• strengthen
• enrich
• fortify
• augment
• reinforce
• supplement
• improve
• fertilize
• enhance
• clarify
• refine
• better
• purify
• clean
• richen
• decontaminate
• cleanse
• filter
• distill
• flush
• purge
• leach
• lard
• compact
• condense
• concentrate
• pasteurize

Synonym Chooser

How does the verb extend contrast with its synonyms?

Some common synonyms of extend are lengthen, prolong, and protract. While all these words mean "to draw out or add to so as to increase in length," extend and lengthen imply a drawing out in space or time but extend may also imply increase in width, scope, area, or range.

extend a vacation

extend welfare services

lengthen a skirt

lengthen the workweek

When would prolong be a good substitute for extend?

The words prolong and extend can be used in similar contexts, but prolong suggests chiefly increase in duration especially beyond usual limits.

prolonged illness

How do protract and prolong relate to one another, in the sense of extend?

Protract adds to prolong implications of needlessness, vexation, or indefiniteness.

protracted litigation

Example Sentences

Recent Examples of extend

Meanwhile, OffWorld is developing autonomous swarms of industrial robots for off-planet excavation, with applications extending from lunar to asteroid environments. —Kaif Shaikh, Interesting Engineering, 5 Nov. 2025

Some liberals warned that centrists who cut a deal with Republicans to fund the government without a viable plan for extending health insurance subsidies would face a political backlash. —Alexander Bolton, The Hill, 5 Nov. 2025

But Democrats are demanding that Republicans work with them to extend the Affordable Care Act subsidies, which expire at the end of this year. —Rachel Schilke, The Washington Examiner, 5 Nov. 2025

Soto’s contract with the New York Mets extends 15 years through the 2039 season, while the Los Angeles Dodgers have Ohtani signed for another eight seasons. —Barry M. Bloom, Sportico.com, 5 Nov. 2025