matebuaka
Bingham
mæ/tebúaka
a. fruitless, profitless, useless, vain, idle, without result, to no purpose.
n. fruitless effort.
Sabatier
matebuaka
n. inutility, uselessness, vain effort, useless attempt, useless work.
a. in vain, without profit, fruitless.
ex. I matebuaka: I waste my time.
vc. ka-matebuaka: to render vain, useless.