run fast, flee / rush about / run

fast, quick

to run; to move at a high speed / to appear briefly; to flash / to give over oneself to; to commit oneself to (usually something bad) / (music) Alternative spelling of ハシる

speed

fast, speedy

run

race; run

Alternative spelling of 逸早く (ichihayaku): promptly, quickly, without delay; first, in advance (of others)

Alternative spelling of 逸早し (ichihayashi): quick, swift; harsh, unforgiving; fierce, with great power

speedreading