iMac

high speed / (colloquial) expressway (abbrev. of 高速道路)

efficiency

new, novel / latest, recent / modern / fresh

(archaic) new, novel / (archaic) latest, recent / (archaic) modern / (archaic) fresh

(obsolete) Alternative spelling of 新たし (aratashi): new, novel

(obsolete) Same as あたらし (atarashi) above

rise, ascend, go up / go in, enter (a house) / get out (of a pool, etc.) / visit, call (on someone) / be promoted, go up (in social standing) / let up, come to an end / flare up (as in fire)

extraordinary, unusual

emergency