unintelligent
From LSJ
Ὁ πολὺς ἄκρατος ὀλίγ' ἀναγκάζει φρονεῖν → Multum meracum pauca sapere nos facit → Nur wenig denken lässt viel ungemischter Wein
dull: P. and V. ἀμαθής, ἀσύνετος, ἀφυής, νωθής, Ar. and P. δυσμαθής, P. ἀναίσθητος, βλακικός; see foolish.