knotty
- adjective (adj)
Meaning: troublesome
Synonyms:
baffling
complex
complicated
difficult
effortful
elaborate
formidable
gordian
hard
intricate
involved
labyrinthine
mazy
mystifying
perplexing
problematical
puzzling
ramified
reticular
rough
rugged
sophisticated
sticky
terrible
thorny
tough
tricky
uphill
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.