laughable
From LSJ
τοῖς οἰκείοις βουλεύμασιν ἁλίσκεσθαι → hoist by one's own petard, hoist with one's own petard, hoist on one's own petard, hoisted by one's own petard, be hoist with one's own petard
English > Greek (Woodhouse)
adjective
P. and V. γέλοιος, Ar. and P. καταγέλαστος, V. γελωτοποιός (Aesch., Fragment).