1) Barbellate 2) Biting 3) Briary 4) Briery 5) Bristled 6) Burred 7) Burry 8) Mordacious 9) Nipping 10) Prickly 11) Sarcastic 12) Setaceous 13) Setose 14) Sharp 15) Spiky 16) Spiny 17) Tart 1) Biting 2) Capable of wounding 3) Cutting 4) Kind of wire 5) Like a fishing hook 6) Like cow pasture wire 7) Like cow pasture wire, often 8) Like fence wire 9) Like some wire 10) Mordacious 11) Nipping 12) Pungent 13) Sarcastic 14) Sort of wire 15) Type of arrow or wire 
bristles and hairs that are hooked backwards or downwards
• (a.) Furnished with a barb or barbs; as, a barbed arrow; barbed wire. • (imp. & p. p.) of Barb • (a.) Accoutered with defensive armor; -- said of a horse. See Barded ( which is the proper form.)
with a backward-facing tip
with a backward-facing tip
Barbed (bärbd or bärb'ĕd) adjective [ See 4th Barb .] Accoutered with defensive armor; -- said of a horse. See Barded (which is the proper form.) Sir W. Raleigh. Barbed adjective Furnished with a barb or barbs; as, a barbed arrow; barbed wire. Barbed wire , 
bristles and hairs that are hooked backwards or downwards
[adj] - having or covered with protective barbs or quills or spines or thorns etc. 2. [adj] - capable of wounding
barbellate adjective having or covered with protective barbs or quills or spines or thorns or setae etc.; `a horse with a short bristly mane`; `bristly shrubs`; `burred fruits`; `setaceous whiskers`