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Adjective: knotty (knottier,knottiest)  nó-tee
  1. Making great mental demands; hard to comprehend, solve or believe
    "I faced the knotty problem of what to have for breakfast";
    - baffling, elusive, problematic, problematical, tough
  2. Used of old persons or old trees; covered with knobs or knots
    "knotty and knotted hands";
    - gnarled, gnarly, knotted, knobbed
  3. Highly complex or intricate and occasionally devious
    "a knotty problem";
    - Byzantine, convoluted, involved, tangled, tortuous, labyrinthine
  4. Tangled in knots or snarls
    "knotty thread";
    - snarled, snarly

Derived forms: knottier, knottiest

See also: complex, crooked, difficult, hard, tangled

Encyclopedia: Knotty