BOTH, adjective Two, considered as distinct from others or by themselves; the one and the other.

This word is often placed before the nouns with which it is connected.

He understands how to manage both public and private concerns.

It is often used as a substitute for nouns.

And Abraham took sheep and oxen, and gave them to Abimelech; and both of them made a covenant. Genesis 21:27.

BOTH often represents two members of a sentence.

He will not bear the loss of his rank, because he can bear the loss of his estate; but he will bear both because he is prepared for both

BOTH often pertains to adjectives or attributes, and in this case generally precedes them in construction; as, he endeavored to render commerce both disadvantageous and infamous.