Webster's Revised Unabridged Dictionary · 1913

Inform

Inform , adjective

[Latin informis; pref. in- not + forma form, shape: compare French informe]

Without regular form; shapeless; ugly; deformed. — Cotton

Inform , transitive verb

[Old English enformen, Old French enformer, French informer. Latin informare; pref. in- in + formare to form, share, from forma form. See Form.]

1.
To give form or share to; to give vital or organizing power to; to give life to; to imbue and actuate with vitality; to animate; to mold; to figure; to fashion.
The informing Word.
Let others better mold the running mass Of metals, and inform the breathing brass. — Dryden
Breath informs this fleeting frame. — Prior
Breathes in our soul, informs our mortal part. — Pope
2.
To communicate knowledge to; to make known to; to acquaint; to advise; to instruct; to tell; to notify; to enlighten; -- usually followed by of.
For he would learn their business secretly, And then inform his master hastily. — Spenser
I am informed thoroughly of the cause. — Shakespeare
3.
To communicate a knowledge of facts to, by way of accusation; to warn against anybody.
Tertullus... informed the governor against Paul. — Acts xxiv. 1

Inform , transitive verb

1.
To take form; to become visible or manifest; to appear. [Obsolete]
It is the bloody business which informs Thus to mine eyes. — Shakespeare
2.
To give intelligence or information; to tell. — Shakespeare
He might either teach in the same manner, or inform how he had been taught. — Monthly Rev
Collocations (1)
To inform against , to communicate facts by way of accusation against; to denounce; as, two persons came to the magistrate, and informed against A.