Not intellectually deep; not penetrating deeply; simple; not wise or knowing.
Not steep; close to horizontal.
Not far forward, close to the net.
Having little depth; significantly less deep than wide.
Concerned mainly with superficial matters.
Extending not far downward.
Lacking interest or substance.
To make or become less deep.
A costermonger's barrow.
A shallow portion of an otherwise deep body of water.
A fish, the rudd.
Not thorough or detailed.
Because he is so sketchy, I always think that he is up to something.
Disturbing or unnerving, often in such a way that others may suspect them of intending physical or sexual harm or harassment.
Roughly or hastily laid out; intended for later refinement.
Resembling a comedy sketch, of sketch quality.
Of questionable or doubtful quality.
Suspected of taking part in illicit or dishonorable dealings.