knotty
definition: tangled in knots or snarls
example:
speech part: adjective
definition: making great mental demands
example:
speech part: adjective
synonyms:
elusive
definition: highly complex or intricate and occasionally devious
example:
speech part: adjective
synonyms:
involved
definition: used of old persons or old trees
example:
speech part: adjective
synonyms:
knotted