adj (idan) impure: anidan .i. an-idan .i. an fo dīultad, idan immorro .i. idon ab eo quod est idoneus .i. tairisi, Corm. Y 78 . escoman .i. anidhan, O'Dav. 462 . cith anidan ind cách is idan sancto `though all (who bring it) be impure it is pure for him who is holy', Mon. Tall. 160.1 . ro indarb P. . . . an treide so (i.e. Teinm Laega, etc.) onaib filedaib . . . uair rob anidan, Laws i 44.14 Comm. ainidun cech necubus ii 2.5 . anidan gach nanfoltach cidh mórda, O'D. 553 (H. 3.17, 437) `wanting full legal status', Plummer MS. notes.

As subst. ainced idnu cuimriged essidnu (ainidnu v.l), Tec. Corm. § 2.16 . go nemhdhidion gach ainiodhain, Ériu xiii 18.3 . dligid anidhan urchailedh, Anecd. iii 14.20 .