What is the meaning of Folie?

foil (very thin sheet of metal)

foil (thin material)

film (thin material, such as plastic film, cling film)

foil (sheet of material)

madness, folly, insanity; silliness, craziness

folly

Folly, idiocy; thoughtless behaviour:

1. A folly, mistake, or ill-advised idea.
2. A incorrect or useless comment; rubbish.

A folly, mistake, or ill-advised idea.

A incorrect or useless comment; rubbish.

Sinfulness, wrongdoing:

1. Sexual misconduct or impropriety; lewdness.
2. Injury, damage; the act of harming.

Sexual misconduct or impropriety; lewdness.

Injury, damage; the act of harming.

Frenzied insanity; a mad rage.

Idiotic, stupid; lacking thought.

Immoral, malicious; lacking morality.

Lewd, perverse; sexually immoral.

foil (thin material)

film (thin material, such as plastic film, cling film)

foil (thin material)

film (thin material, such as plastic film, cling film)

madness; insanity

inflection of foliar:

1. first/third-person singular present subjunctive
2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

madness, folly

inflection of foliar:

1. first/third-person singular present subjunctive
2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

a thin sheet of metal or plastic or the like (for packaging or cooking food); aluminum foil, plastic wrap, cling film, etc.

Source: wiktionary.org