ἄπληκτος
From LSJ
Τὸ γὰρ περισσὰ πράσσειν οὐκ ἔχει νοῦν οὐδένα → There is no sense in doing things beyond the usual measure
English (LSJ)
ον,
A unstricken, of a horse needing no whip or spur, Eup. 232, Pl.Phdr.253d: metaph., Plu.2.721e; unwounded, without receiving a blow, φροῦδοι δ' ἄ. E.Rh.814; immune from stings, Dsc. 2.118; of a plant, uninjured, Thphr.HP9.14.1. 2 Act., not striking, in Adv. -τως without pulsation, Procl.in Cra.p.37P. II Act., not irritating or pungent, Sor.2.59: Comp., not too stimulating, Herod.Med. ap. Aët.5.116. Adv. -τως Ruf. ap. Orib.8.24.53.