Knotty problem synonyms | nouns

Synonyms for Knotty problem as a Noun

• hot potato
• difficulty
• puzzle
• riddle
• perplexity
• controversy
• tricky problem
• sensitive issue
• live issue
• bone of contention
• problem
• issue
• controversial issue
• celebrated case
• debate
• grist for the gossip mill
• moot point
• political football
• scandal
• war of words
• intricacy
• complexity
• complication
• tangle
• maze
• entanglement
• convolution
• dilemma
• snarl
• fix
• uphill
• can of worms
• difficult question
• awkward problem
• vexed question
• tough one
• mystery
• conundrum
• puzzler
• enigma