| knotted | (adjective) used of old persons or old trees; covered with knobs or knots | Synonyms: gnarled, gnarly, knobbed, knotty |
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| (adjective) tied with a knot | - |
| knotty | (adjective) highly complex or intricate and occasionally devious | Synonyms: Byzantine, convoluted, involved, labyrinthine, tangled, tortuous |
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| (adjective) used of old persons or old trees; covered with knobs or knots | Synonyms: gnarled, gnarly, knobbed, knotted |
| (adjective) making great mental demands; hard to comprehend or solve or believe | Synonyms: baffling, elusive, problematic, problematical, tough |
| (adjective) tangled in knots or snarls | Synonyms: snarled, snarly |