en > eu 
/fæst/
1 adj. [rapid] arin, bizkor, laster, azkar
2 adj. [clock] aurreratu, aitzinatu
the clock is five minutes fast: ordularia bost minutu aurreratuta dago
3 adv. [rapidly] arin, bizkor, azkar
don't drive so fast, please!: ez gidatu hain azkar, mesedez!
4 adv. [firmly] erabat, guztiz, zeharo
she is fast asleep: lo seko dago
5 n. [abstain from eating] barau, barur