Queachy \Queach"y\, a. 1. Yielding or trembling under the feet, as moist or boggy ground; shaking; moving. "The queachy fens." "Godwin's queachy sands." --Drayton. [1913 Webster] 2. Like a queach; thick; bushy. [Obs.] --Cockeram. [1913 Webster]