οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
of land: P. and V. ἄκαρπος.
of females: P. and V. ἄτοκος (Plato), V. ἄτεκνος, ἄγονος (also Plato met.), ἀκύμων, χέρσος, στεῖρος, Ar. and P. στέριφος; see barren.
childless: P. and V. ἄπαις.
vain, barren of result: P. ἄπρακτος, P. and V. ἀνήνυτος.
empty: P. and V. κενός, μάταιος.