Term: gordian knot: any very difficult problem; insoluble in its own terms
Broader: problem: a question raised for consideration or solution | Unrelated: huddler: a member of a huddle
Broader: problem: a question raised for consideration or solution | Unrelated: man of action: someone inclined to act first and think later
Broader: problem: a question raised for consideration or solution | Unrelated: shrubbery: an area where a number of shrubs are planted
Broader: problem: a question raised for consideration or solution | Unrelated: spider angioma: a dilation of superficial capillaries with a central red dot from which blood vessels radiate
Broader: problem: a question raised for consideration or solution | Unrelated: vermillion flycatcher: tropical American flycatcher found as far north as southern Texas and Arizona; adult male has bright scarlet and black plumage
Broader: problem: a question raised for consideration or solution | Unrelated: spy satellite: a satellite with sensors to detect nuclear explosions
Broader: problem: a question raised for consideration or solution | Unrelated: origin: the point of intersection of coordinate axes; where the values of the coordinates are all zero
Broader: problem: a question raised for consideration or solution | Unrelated: puppeteer: one who operates puppets or marionettes
Broader: problem: a question raised for consideration or solution | Unrelated: chordospartium: 2 species of small New Zealand trees: weeping tree broom; endangered
Broader: problem: a question raised for consideration or solution | Unrelated: yellow jack: yellow flag hoist on a ship in quarantine