Addiction to strange fancies; eccentricity, oddity; an instance of this.

Fantastical character or quality; eccentricity, grotesqueness, oddity.

concrete. An instance of deviation from what is usual, an extravagance. Also plural.

= fantasticalness, n.

Remoteness; out-of-the-way quality; (also occasionally) an odd trait, a quirk.

The quality or state of being nutty; (now) esp. madness, eccentricity.

The state or quality of being cranky or crazy.

= crankery, n.

The characteristics of a ‘crank’; crack-brainedness, enthusiastic eccentricity.

Fondness for fads; a disposition to pursue fads.

= crankiness, n.

The state or condition of being potty; silliness, madness, craziness.

the state or quality of being ‘wacky’; craziness, oddness.

the quality of being ‘offbeat’; unconventionality.

the state of being kooky.