"accelerated" in the verb sense
1. accelerate, speed up, speed, quicken
move faster
"The car accelerated"
2. accelerate, speed, speed up
cause to move faster
"He accelerated the car"
"accelerated" in the adjective sense
1. accelerated
speeded up, as of an academic course
"in an accelerated program in school"
Source: WordNet® (An amazing lexical database of English)
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