(in·fôrm′) v.t.
1. To tell (someone) facts or information previously unknown; make something known to; notify: He informed me of the outcome.
2. To give character to; inspire; animate.
3. Obs. To give form or vitality to; shape.
4. Rare To teach; instruct.
—v.i.
5. To give information, especially concerning infractions of the law: with on or against. [<OF enformer <L informare give form to, describe <in- in + forma form] Synonyms: advertise, advise, apprise, communicate, disclose, divulge, impart, instruct, intimate, mention, notify, reveal, teach, tell. See LEARN, TEACH.

(in·fôrm′) adjective
1. Shapeless; unformed.
2. Deformed. [<F informe <L informis <in- not + forma form]