ἀνοητεί
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
English (LSJ)
Adv., = ἀνοήτως, without discursive thought, AB 1327, An.Ox. 2.313.
Spanish (DGE)
adv. estúpidamente, AB 1327, An.Ox.2.313.