difficult to use or operate especially because of size, weight, or design <getting the ungainly couch up the stairs was a real chore>
having or showing an inability to move in a graceful manner <the tree cutter was crushing any unlucky petunias that lay in the path of his ungainly tread>
Seen & Heard
What made you want to look up ungainly? Please tell us where you read or heard it (including the quote, if possible).