The term often implies danger in military or war settings, signaling a need for caution. The demining team worked diligently in the minefield, left from the recent conflict.
Pro Tip 2/3
Literal Danger
Used literally, 'minefield' refers to a real place with explosive mines, not just trouble or problems. The area is a minefield; we must use a map to avoid setting off any mines.
Pro Tip 3/3
Serious Risk
When describing a situation, 'minefield' suggests severe risks, not minor or trivial ones. Discussing politics in this setting can be a social minefield.