hackliest

/ˈhækliɪst/
adjective
  1. Superlative form of hackly; the roughest or most jagged in texture or surface.
    • Among all the rocks in the collection, this one is the hackliest.
    • She chose the hackliest piece of coral for her art project.
    • The hackliest part of the cliff was impossible to scale without ropes.
Synonyms