Backward

ανάποδος

anápodos

(in the direction reverse of normal)

οπισθοδρομικός

opisthodromikós

(of an idea: outdated)

παλιομοδίτικος

paliomodítikos

(of an idea: outdated)

υπανάπτυκτος

ypanáptyktos

(undeveloped)

πίσω

píso

(in the direction towards the back)