A.unalterable, immutable, κατάληψις, of knowledge, Zeno Stoic.1.20; of fate, Chrysipp.ib.2.264, cf. Plb.30.17.2; “ἀκίνητα καὶ ἀ.” OGI331 (Pergam.), etc. Adv. “-τως, διακεῖσθαι” D.S.1.83, cf. Ascl.in Metaph. 22.6.
2. Gramm., not inflected, A.D.Synt.322.1.