wieldless

From wield +‎ -less.

wieldless (comparative more wieldless, superlative most wieldless)

1. (obsolete) Not to be wielded; unmanageable; unwieldy. [16th c.]
   • 1596, Edmund Spenser, “Book IV, Canto III”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC:

     with the weight of his owne weeldlesse might / He falleth nigh to ground, and scarse recovereth flight.

• wellsides