Shall :: Shall (v. i. & auxiliary.) To owe; to be under obligation for.
Shall :: Shall (v. i. & auxiliary.) To be obliged; must.
Shall :: Shall (v. i. & auxiliary.) As an auxiliary, shall indicates a duty or necessity whose obligation is derived from the person speaking; as, you shall go; he shall go; that is, I order or promise your going. It thus ordinarily expresses, in the second and third persons, a command, a threat, or a promise. If the auxillary be emphasized, the command is made more imperative, the promise or that more positive and sure. It is also employed in the language of prophecy; as, the day shall come when . .
Shallow :: Shallow (superl.) Not intellectually deep; not profound; not penetrating deeply; simple; not wise or knowing; ignorant; superficial; as, a shallow mind; shallow learning..
Shallow :: Shallow (n.) A place in a body of water where the water is not deep; a shoal; a flat; a shelf.