simple past tense and past participle of informate

To tell on someone; to act as an informant against.

plural of informalism

A word, phrase, behaviour, etc. that is informal. / An art movement based on abstract and gestural tendencies rather than definite form.

Providing information; especially, providing useful or interesting information. / (in standards and specifications) Not specifying requirements, but merely providing information.

One who relays confidential information to someone, especially to the police; an informer.

Instructed; having knowledge of a fact or area of education. / Based on knowledge; founded on due understanding of a situation.

simple past tense and past participle of inform

(obsolete) Created, given form. / (obsolete) Unformed or ill-formed; deformed; shapeless. / (astronomy, obsolete) Not included within the figures of any of the ancient constellations.

Not formal or ceremonious. / Not in accord with the usual regulations. / Suited for everyday use. / (of language) Reflecting everyday, non-ceremonious usage.