快かい速そく特とっ急きゅうかいそくとっきゅうMeanings1nounrapid limited express; rapid expressA train service category faster than a regular limited express, often with fewer stops. Used primarily in railway contexts.快かい速そく特とっ急きゅうは主しゅ要よう駅えきのみに停てい車しゃ