Of a quality, power, act, process, etc.: frenzied, manic; wild, passionate; rapid and energetic in an uncontrolled or unrestrained way. Cf. frantic…

Of an action or speech: Such as might result from possession by a deity or demon; frantic, furious. Of a person: Frenzied, mad. Obs.

Characterized or attended by, or symptomatic of, delirium or temporary madness.

Of actions (also colloquial of things): Mad, idiotic, utterly senseless, irrational.

Of things, actions, etc.: Showing derangement of intellect; insane, mad.

Of words, ideas, etc.: mad, crazy; extreme, fanatical.