What is the meaning of Nonpareil?

Unequalled, unrivalled; unique.

A person or thing that has no equal; a paragon.

  1. The blue underwing or Clifden nonpareil (Catocala fraxini), a species of moth distributed across the Palearctic; also any of a number of moths of other species.
  2. In full nonpareil parrot: an eastern rosella, of species Platycercus eximius, a rosella (parrot) native to southeastern Australia.
  3. A painted bunting (Passerina ciris), a brightly-coloured finch native to North America.
  4. In full nonpareil apple: an apple tasting both sweet and tart which ripens very late in the season; also, the tree producing this fruit.

The blue underwing or Clifden nonpareil (Catocala fraxini), a species of moth distributed across the Palearctic; also any of a number of moths of other species.

In full nonpareil parrot: an eastern rosella, of species Platycercus eximius, a rosella (parrot) native to southeastern Australia.

A painted bunting (Passerina ciris), a brightly-coloured finch native to North America.

In full nonpareil apple: an apple tasting both sweet and tart which ripens very late in the season; also, the tree producing this fruit.

  1. Any of various types of small sweets.
  2. A small pellet of white or coloured sugar used as decoration on baked goods and candy.

    Any of various types of small sweets.

    A small pellet of white or coloured sugar used as decoration on baked goods and candy.

    A small, flat chocolate drop covered with such pellets of sugar, similar to a comfit.

    A caper (pickled edible flower bud) of the smallest size.

    A size of type between ruby and emerald (or, in the United States, between agate and minion), standardized as 6-point; a slug of this size.

    unequalled

    unparallelled; unprecedented

    nonpareil

    Source: wiktionary.org