1. a difficult or complex problem or situation
Usage: formal
2. a central point or knot in a network or system
Usage: technical

Examples

• The legal nodus prevented the contract from being finalized.
• Resolving this financial nodus required expert consultation.
• The committee faced a complex nodus regarding budget allocation.
• Each nodus in the network represented a critical connection point.
• The philosophical nodus at the heart of the debate remained unresolved.