gawky

/ˈɡɔːki/
adjective
  1. Awkward, clumsy, and often tall or lanky in movement or appearance, especially in a way that suggests a lack of grace or confidence.
    • The gawky teenager tripped over his own feet while walking across the stage.
    • The puppy's gawky legs seemed too long for its body as it tried to run.
    • She felt gawky and out of place at the formal dance, not knowing how to hold herself.