Knotty problem synonyms | phrases

Phrases with similar meaning for Knotty problem

• hot potato
• tricky problem
• sensitive issue
• live issue
• bone of contention
• controversial issue
• celebrated case
• grist for the gossip mill
• moot point
• political football
• war of words
• can of worms
• difficult question
• awkward problem
• vexed question
• tough one