Synonyms of decelerate

decelerate

verb

(ˌ)dē-ˈse-lə-ˌrāt 

as in to slow

to cause to move or proceed at a less rapid pace

she decelerated the car as we entered the school zone

Synonyms & Similar Words

• slow
• brake
• inhibit
• retard
• slacken
• stop
• hinder
• impede
• restrain
• halt
• obstruct
• curb
• hamper
• check
• tie up
• encumber
• set back
• thwart
• constrain
• rein
• hold back
• handicap
• frustrate
• arrest
• hobble
• sabotage
• bottleneck
• hold up
• foil
• baffle

Antonyms & Near Antonyms

• accelerate
• hasten
• hurry
• speed (up)
• rush
• step up
• encourage
• push
• urge
• drive
• quicken
• stir
• propel
• spur
• help
• facilitate
• forward
• aid
• advance
• expedite
• further
• ease
• goad
• dispatch

Example Sentences

Recent Examples of decelerate

Apple also said services growth would decelerate in the September quarter. — Bloomberg, Mercury News, 31 July 2026

Hitting the brakes Altman isn’t the only one talking about decelerating AI. — Beatrice Nolan, Fortune, 30 July 2026

Sorge said that this class of space debris decelerates quicker, and also once on the surface the pieces are also more recognizable than broken up chunks of metal. — Leonard David, Space.com, 22 July 2026

That fueled fears that on a per-user basis, Netflix’s engagement is decelerating, indicating headwinds for subscription and ad revenue growth. — Todd Spangler, Variety, 17 July 2026