handily
From LSJ
Τί γὰρ γένοιτ᾽ ἂν ἕλκος μεῖζον ἢ φίλος κακός; → What wound is greater than a false friend?
Τί γὰρ γένοιτ᾽ ἂν ἕλκος μεῖζον ἢ φίλος κακός; → What wound is greater than a false friend?
usefully: P. χρησίμως; see also seasonably, conveniently.