γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
ἀφρούρητος, ἀσκεπής, ἄσκεπος, ἀτείχιστος, ἀφύλακτος, ἀχαράκωτος, ἀδρύφακτος
