Uneven
Part of speech: adjective
Definition: Not even Not level or smooth Not uniform Varying in quality
Example sentence: The prospects for a coherent, hilarious and consistent American comedy seem to lessen every year, as the poor waterlogged, gassy corpse called 'Evan Almighty' proved when it floated ashore recently. So there's a temptation to think too highly of Robin Williams's uneven but occasionally funny 'License to Wed.'
Mismatched
Part of speech: verb
Definition: To match unsuitably; to fail to match
Part of speech: adjective
Definition: Unsuitably matched; ill joined.