paltry
From LSJ
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
P. and V. φαῦλος, φλαῦρος, μικρός, σμικρός, βραχύς, ἀσθενής, Ar. and V. βαιός. V. δείλαιος, P. ὀλίγου ἄξιος.