ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
terrible, lit. or Met.: P. and V. δεινός.
alarming, lit.: P. and V. δεινός, φοβερός, φρικώδης, V. δύσχιμος, ἔμφοβος.
Met., great, vast: P. and V. ἀμήχανος, μέγιστος, ὑπερφυής (Aesch., Fragment), ὑπέρπολυς.