rigorously
From LSJ
Κακὸν φέρουσι καρπὸν οἱ κακοὶ φίλοι → Evil friends bear evil fruit → Malo ex amico fructus oritur pessimus → Ertrag, den schlechte Freunde bringen, der ist schlecht
English > Greek (Woodhouse)
adv.
Sternly: P. σκληρῶς, σχετλίως, P. and V. πικρῶς; see pitilessly. Exactly, accurately: P. and V. ἀκριβῶς.