the massive spacecraft is too unwieldy and wastes too much fuel
the response to the incursion has been equally unwieldy.
Trump and Musk are two unwieldy billionaires
unwieldy: poco manejable, dificil de manejar. Un objeto unwieldy es difícil de mover o de manejar porque es pesado, grande o de forma extraña. Grande y difícil de transporta o manejar.