Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “accelerate”

accelerate

verb uk   /əkˈsel.ə.reɪt/ us    /-ɚ.eɪt/
C2 [I] When a vehicle or its driver accelerates, the speed of the vehicle increases: I accelerated to overtake the bus.
Opposite
C2 [I] If a person or object accelerates, he, she, or it goes faster. C1 [I or T] to happen or make something happen sooner or faster: Inflation is likely to accelerate this year, adding further upward pressure on interest rates. They use special chemicals to accelerate the growth of crops.
(Definition of accelerate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of accelerate?
Browse related topics

You are looking at an entry to do with Increasing and decreasing speed of motion, but you might be interested in these topics from the Moving quickly and slowly topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “accelerate” in other dictionaries

Word of the Day

initial

of or at the beginning

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More