Synonyms of accelerate

accelerate

verb

ik-ˈse-lə-ˌrāt 

1

as in to increase

to become greater in size, extent, volume, amount, or number

toy purchases accelerate dramatically during the Christmas season

Synonyms & Similar Words

• increase
• rise
• expand
• swell
• climb
• intensify
• multiply
• accumulate
• proliferate
• wax
• escalate
• spread
• roll up
• gain
• enlarge
• mount
• jump
• surge
• boom
• appreciate
• build up
• heighten
• snowball
• balloon
• skyrocket
• burgeon
• mushroom
• rocket
• redouble
• inflate
• peak
• bulk
• puff (up)
• distend
• blow up
• crescendo
• crest

Antonyms & Near Antonyms

• decrease
• diminish
• lessen
• recede
• contract
• wane
• dwindle

2

as in to rush

to cause to move or proceed fast or faster

we accelerated preparations for the hurricane upon hearing weather reports that it had gained speed

Synonyms & Similar Words

• rush
• push
• hasten
• encourage
• quicken
• hurry
• urge
• facilitate
• speed (up)
• fast-track
• drive
• whisk
• propel
• spur
• race
• expedite
• bundle
• aid
• stir
• prod
• goad
• ease
• dispatch

Antonyms & Near Antonyms

• brake
• decelerate
• retard
• slow (down)
• impede
• hinder
• restrain
• delay
• interfere (with)
• hamper
• tie up
• encumber
• stop
• hold back
• hobble
• rein (in)
• hold up
• stay
• check
• arrest
• stall
• shackle
• fetter
• still
• trammel
• manacle

3

as in to expand

to make greater in size, amount, or number

the company accelerated its advertising purchases even as the economy appeared to be in recession

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of accelerate

Their pioneering work accelerated the field of nuclear science. — Andrea Richard, The Conversation, 2 Oct. 2026

The laser accelerated electrons through a gas, directing them into a solid target to create light bursts that generated muon pairs. — Mrigakshi Dixit, Interesting Engineering, 2 Oct. 2026

After all, the oysters on the coast of the Discovery Islands that are featured in the film take years to reach maturity, but all around them, the pace of environmental change is accelerating. — Georg Szalai, HollywoodReporter, 2 Oct. 2026

Wall Street’s current estimates underappreciate potential upside from upcoming data-center power deals and accelerating grid reliability needs, giving earnings estimates clear room to move higher. — Michael Khouw, CNBC, 2 Oct. 2026