Example : A...youth with a gorgeous red necktie all awry.
His wig was, as the British say, skew-whiff.

Synonyms : askew, awry, cockeyed, lopsided, skew-whiff

Example : A rickety table.
A wobbly chair with shaky legs.
The ladder felt a little wobbly.
The bridge still stands though one of the arches is wonky.

Synonyms : rickety, shaky, wobbly