Difficult and Merciless

Difficult adjective - Requiring considerable physical or mental effort.

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

Nearby Word: difficulty

Merciless adjective - Having or showing a lack of sympathy or tender feelings.

Difficult and merciless are semantically related. Sometimes you can use "Difficult" instead an adjective "Merciless".

Nearby Words: merciful, mercilessly, mercifully