tedious vs ho-hum

tedious and ho-hum both are adjectives.

Word	Noun	Adjective	Verb	Adverb
tedious	No	Yes	No	No
ho-hum	No	Yes	No	No

As adjectives, tedious and ho-hum are synonyms defined as:

Other synonyms of tedious include boring, deadening, dull, irksome, slow, tiresome, wearisome.

tedious (adjective)	ho-hum (adjective)
using or containing too many words	so lacking in interest as to cause mental weariness
so lacking in interest as to cause mental weariness