Gawky, a. [Compar. Gawkier; superl. Gawkiest.]
Foolish and awkward; clumsy; clownish; as, gawky behavior. -- n. A fellow who is awkward from being overgrown, or from stupidity, a gawk.
Shades of meaning
Fernald has no entry of its own for gawky; he lists it under awkward.
He lists it without comment; the entries above explain its neighbors.