Difficult and Deep

Difficult adjective - Requiring considerable physical or mental effort.

Deep is a synonym for difficult in abstruse topic. In some cases you can use "Deep" instead an adjective "Difficult", when it comes to topics like complicated.

Nearby Word: difficulty

Deep adjective - Having an often intentionally veiled or uncertain meaning.

Difficult is a synonym for deep in abstract topic. Sometimes you can use "Difficult" instead an adjective "Deep", if it concerns topics such as profound, abstruse.

Nearby Words: deeply, deepen, deepness, deepened, deepening