ἀπροφάσιστος
From LSJ
τὸ πλῆθος οὐκ εὐαρίθμητον ἦν → the crowd wasn't easy to count, the crowd was not small, it was not a small crowd
English (LSJ)
[φᾰ], ον,
A offering no excuse, unhesitating, ready, προθυμία Th.6.83; εὔνοια Lys.Fr.114; σύμμαχοι X.Cyr.2.4.10; συνεραστής Timocl.8. Adv. -τως without disguise, Th.1.49, etc.: without evasion, honestly, Id.6.72, IG2.243, etc.; unhesitatingly, D.C.38.39. II admitting no excuse, implacable, θάνατος E.Ba.1002. III inexcusable, κακία Plu.Cat.Mi.44, cf. 2.742c.