γέλως ἄκαιρος κλαυμάτων παραίτιος → ill-timed laughter causes tears (Menander)
adj.
P. and V. ἀζήμιος, ἀθῷος. P. ἀτιμώρητος, ἀπαθής.
With impunity: P. and V. χαίρων, V. γεγηθώς, ἄκλαυτος, or use adv. P. νηποινεί; see impunity.