guileless
From LSJ
τοῖς οἰκείοις συκοφαντίαν δέδωκεν → has given to his friends an opportunity for chicane, has offered to his friends the right of vindictive prosecution
τοῖς οἰκείοις συκοφαντίαν δέδωκεν → has given to his friends an opportunity for chicane, has offered to his friends the right of vindictive prosecution
P. ἄκακος, Ar. and P. ἀδολος, V. ἀφυής (Soph., Philoctetes 1014).
simple: P. and V. ἁπλοῦς. P. εὐήθης.
unspoiled: P. and V. ἀκέραιος.