tiresome vs wearisome

tiresome and wearisome both are adjectives.

Word	Noun	Adjective	Verb	Adverb
tiresome	No	Yes	No	No
wearisome	No	Yes	No	No

As adjectives, tiresome and wearisome are synonyms defined as:

tiresome and wearisome: so lacking in interest as to cause mental weariness

Other synonyms of tiresome include boring, deadening, dull, ho-hum, irksome, slow, tedious.

tiresome (adjective)	wearisome (adjective)
so lacking in interest as to cause mental weariness	so lacking in interest as to cause mental weariness