tedious
TEE-dee-usadjMeaning long, slow and tiresome
Memory hook TEDDY-ous: so many TEDDIES. Sorting a hundred teddy bears by size takes hours and hours: the job is tedious.
Sorting a thousand buttons by color was a tedious job.
In context The first half of the movie was tedious, with long, slow scenes of people packing boxes, but the second half finally picked up speed.
Similar boring, tiresome, monotonous, dreary
Opposite exciting, interesting, engaging
From Late Latin taediosus, from taedium (weariness, boredom).