ἀκροσφαλῶς
From LSJ
ὅτι μέντοι καὶ ἡ χρῆσις τῶν τρόπων, ὥσπερ τἆλλα πάντα καλὰ ἐν λόγοις, προαγωγὸν ἀεὶ πρὸς τὸ ἄμετρον, δῆλον ἤδη, κἂν ἐγὼ μὴ λέγω → however, it is also obvious, even without my saying so, that the use of figures of speech, like other literary adornments, is something that has always tempted toward excess
French (Bailly abrégé)
adv.
en chancelant : ἀκροσφαλῶς ἔχειν PLUT être enclin à tomber.
Étymologie: ἀκροσφαλής.
Russian (Dvoretsky)
ἀκροσφᾰλῶς: неустойчиво: ἀκροσφαλῶς ἔχειν Plut. быть неустойчивым.