burdensome
adj.causing a lot of worry, trouble, or physical weight. You use this to describe things that are hard to carry or hard to deal with.
adj.causing a heavy load or a significant amount of worry and trouble. Often used to describe legal obligations, physical weights, or administrative tasks.
“The new tax laws are burdensome for small businesses.”
“The heavy backpack became burdensome after hours of hiking through the mountain trail.”
“The legal team argued that the proposed regulations would be burdensome for local farmers, potentially stifling the industry's growth and innovation.”
“And that’s because campaigning anywhere for any office at any level of government is personally burdensome, as we show in our book.”
“Some researchers also advocate for paying peer reviewers, though others worry that the practice would increase the burdensome publication fees researchers already face.”
From burden + -some.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.