かそく 加速 Common word JLPT N2 LinksSentence search for 加速Sentence search for かそくKanji details for 加 and 速Edit in JMdict Noun, Suru verb, Transitive verb, Intransitive verb1. acceleration; speeding upAntonym: 減速そのせいさく政策は、インフレをかそく加速させるだけだ。The policy will only accelerate inflation. Discussions Log in to talk about this word.