Difficult and High-risk

Difficult adjective - Requiring considerable physical or mental effort.

High-risk and difficult are semantically related. In some cases you can use "High-risk" instead an adjective "Difficult".

Nearby Word: difficulty

High-risk adjective - Not financially safe or secure.

Difficult and high-risk are semantically related. Sometimes you can use "Difficult" instead an adjective phrase "High-risk".