Difficult and Ho-hum

Difficult adjective - Requiring considerable physical or mental effort.

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

Nearby Word: difficulty

Ho-hum adjective - Causing weariness, restlessness, or lack of interest.

Difficult and ho-hum are semantically related in irritating topic. Sometimes you can use "Difficult" instead an adjective phrase "Ho-hum".