cumbersome

1 - Identification of treatments and outcome measures in rare diseases is a very cumbersome task involving extensive studies.

2 - They believe that killing criminals will set an example for others and also rid society of a cumbersome burden.

3 - Useful protein drugs, such as insulin, must still be administered by the cumbersome procedure of injection under the skin.

4 - Motion pictures were introduced to the public in 1894, with the invention of a cumbersome viewing machine.

5 - While jewelry crafted from gold can be gorgeous, even ardent fans will admit that wearing the heavy metal over long periods of time can get a little cumbersome and annoying.