- to cause faster or greater activity, development, progress, advancement, etc., in: to accelerate economic growth.
- to hasten the occurrence of: to accelerate the fall of a government.
- Mechanics. to change the velocity of (a body) or the rate of (motion); cause to undergo acceleration.
- to reduce the time required for (a course of study) by intensifying the work, eliminating detail, etc.
- to move or go faster; increase in speed.
- to progress or develop faster.
Origin of accelerate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to go, occur, or cause to go or occur more quickly; speed up
- (tr) to cause to happen sooner than expected
- (tr) to increase the velocity of (a body, reaction, etc); cause acceleration
C16: from Latin accelerātus, from accelerāre to go faster, from ad- (intensive) + celerāre to hasten, from celer swift
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for re-accelerate
Online Etymology Dictionary, © 2010 Douglas Harper