τῶν λεγομένων τά μέν κατά συμπλοκήν λέγεται, τά δέ ἄνευ συμπλοκῆς → forms of speech are either simple or composite (Aristotle, Categoriae 1a16-17)
adj.
Not clear: P. and V. ἀσαφής. Not fixed: P. ἀόριστος. Inconclusive: P. ἄκριτος.