ppl. a. [UN-1 8.] Not augmented or increased; in later use spec. of Greek verbs (see AUGMENT sb. 2).
1555. Eden, Decades (Arb.), 296. The residue of the nyght that receaueth no light by the sayde twilightes, is accomplysshed by the lyght of the moone, so that the nyghtes are seldome vnaugmented.
1648. Hexham, II. Ongegrooted, vnaugmented.
1776. Richardson, Arabic Grammar, 28. Chiefly from the simple or unaugmented three-letter words and their feminines.
1848. Veitch, Irreg. Grk. Verbs (1856), s.v. Ἀναλίσκω, Thuc. and the Trag. seem to have preferred the unaugmented, Plato and the Orators the augmented forms.