Having sharp points like needles.
Extremely sharp or severe; intense:
Having a cusp.
Having a cusp or cusps
Sharp; incisive; to the point, as an epigram
Having many points
Sudden and shrill:
Find another word for aciculate. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for aciculate, like: acicular, aciculated, acuminate, acute, cuspate, cuspated, cuspidate, cuspidated, mucronate, pointed and pointy.