快速

かいそく

high speed, celerity, mobility, express (train that bypasses many stations)

快速船

かいそくせん

fast ship

快速調

かいそくちょう

allegro

快速急行

かいそくきゅうこう

rapid express train

快速列車

かいそくれっしゃ

express train

快速特急

かいそくとっきゅう

rapid express (train service); rapid limited express

区間快速

くかんかいそく

Regional Rapid Service (JR West), Section Rapid Service, RRS, SRS, train service which is local for one section and express for another

通勤快速

つうきんかいそく

commuter express; commuter limited express; rapid-service commuter train

快速電車

かいそくでんしゃ

high-speed train

快快的

カイカイデ カイカイデー

hurriedly, rapidly, swiftly

快

かい

pleasure, delight, enjoyment

快食快眠

かいしょくかいみん

good appetite and pleasant sleep, enjoying one's food and sleeping well

快食快便

かいしょくかいべん

good appetite and good bowel movements, enjoying one's food and having regular stools

快刀

かいとう

sharp sword

快哉

かいさい

joy, exultation

豪快

ごうかい

hearty, exciting, stirring, lively, heroic, largehearted, splendid

快い

こころよい

pleasant, agreeable

愉快

ゆかい

pleasant, happy

軽快

けいかい

casual (e.g. dress), light, nimble, jaunty, rhythmical (e.g. melody)