destructive
From LSJ
καὶ τὸ σιγᾶν πολλάκις ἐστὶ σοφώτατον ἀνθρώπῳ νοῆσαι → and silence is often the wisest thing for a man to heed, and often is man's best wisdom to be silent, and often keeping silent is the wisest thing for a man to heed
English > Greek (Woodhouse)
adj.
Harmful: P. and V. ἀσύμφορος, νοσώδης, ὀλέθριος (Plat. but rare P.), V. λυμαντήριος, πολυφθόρος, πανώλης, πανώλεθρος, Ar. and V. ἀτηρός.
Latin > French (Gaffiot 2016)
dēstrūctīvē, de manière à détruire : Boet. Anal. pr. 1, 42.