ADJ.
all, practical
VERB + HO-HUM
wore
HO-HUM + NOUN
clothes
adj
Boring; not interesting or novel.
She wore ho-hum clothes, but practical ones.
intj
Used to express boredom, uninterest or lack of novelty.
Look at all this paperwork. Ho-hum!
adjective — so lacking in interest as to cause mental weariness
i Register
In some senses, ho-hum is marked as dated, US. Watch for register when choosing this word.