knotty
日本語WordNet
making great mental demands; hard to comprehend or solve or believe; "a baffling problem"; "I faced the knotty problem of what to have for breakfast"; "a problematic situation at home"
highly complex or intricate and occasionally devious; "the Byzantine tax structure"; "Byzantine methods for holding on to his chairmanship"; "convoluted legal language"; "convoluted reasoning"; "the plot was too involved"; "a knotty problem"; "got his way by labyrinthine maneuvering"; "Oh, what a tangled web we weave"- Sir Walter Scott; "tortuous legal procedures"; "tortuous negotiations lasting for months"
AIによる解説
1. Full of knots, as in wood. 2. Difficult to solve or understand; intricate; complex; 'a knotty problem' is a common expression meaning a complicated issue that is hard to resolve.
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Pronunciation data from ipa-dict (MIT License) based on cmudict-ipa by @lingz