Synonyms and related words :
acanthoid, acanthous, acicular, acuate, aculeate, aculeiform, acuminate, acute, barbed, cone-shaped, cornuted, cusped, cuspidate, hispid, horned, horny, mucronate, needle-pointed, needle-sharp, pointed, pronged, sharp-pointed, spiculate, spiked, spiky, spined, spinous, spiny, taper, tapering, tined, toothed, unbated