unwieldy
adj.adj. difficult to carry, move, or use because something is too large, heavy, or complicated. You use this to describe things that are hard to handle.
adj. difficult to manage, carry, or use due to size, weight, or complexity. Often used to describe physical objects or abstract systems that are cumbersome.
The large suitcase is too unwieldy to carry up the stairs.
The new software update made the interface so unwieldy that many users preferred to return to the older version.
The merger created an unwieldy corporate structure that struggled to maintain the agility required to compete in the fast-paced technology sector.
From Middle English unweldy, equivalent to un- + wieldy. Cognate with Old Frisian unweldich, unweldech (“having no power, involuntary”), Middle Dutch onweldich (“having no control or mastery over”), Middle Low German unweldich (“unwieldy”). Compare also Old High German unwaltīg (“powerless”), whence Middle High German unwaltic, German ungewaltig (“powerless, unmighty”).