adj i

(a) sharp, grievous: tiachair ┐ serb, Ml. 94c6 . tichair lainn, gl. hic acer, Sg. 41a10 . serb no tiachair , O'Dav. 1030. tiachair .i. feargach no teinn, O'Cl. ba tiachair le a cenn, Lism. L. 1383 . in gním talchair tiachair , Metr. Dinds. iii 408.3 . As subst.: nír airigh ... doigh na tiachair , BNnÉ 101.33 . Later diachair: peannaid ná pian ná diachair bháisbhruid, ITS iii a 104.60 . diachair ` sorrow, grief ', O'R.

(b) clever, prudent: tiachair .i. glic, O'Dav. 441.

Compd. ¤thaeb wounded in the side : atú tursech tiacharthaeb, TBC-LL¹ 2330.