be available, be not busy

accelerator pedal, throttle (the lever or pedal that controls this valve)

(figure skating) axel jump

hateful language, oath, abusive words

action

Alternative form of 開く / open one's eyes or mouth / for one's collar etc. to be open

wicked; evil; malicious

wickedness; evil

a reaction (action in response to an event)

red line / (historical) Short for 赤線地帯(あかせんちたい) (akasenchitai): Akasen (districts in Japan where prostitution and the sex industry flourished)