What is the meaning of Silly?

Laughable or amusing through foolishness or a foolish appearance.

Absurdly large.

Blessed, particularly:

1. Good; pious.
2. Holy.

Good; pious.

Holy.

Pitiful, inspiring compassion, particularly:

1. Innocent; suffering undeservedly, especially as an epithet of lambs and sheep.
2. Helpless, defenseless.

   Innocent; suffering undeservedly, especially as an epithet of lambs and sheep.

   Helpless, defenseless.

   Insignificant, worthless, especially with regard to land quality.

   Weak, frail; flimsy .

   Sickly; feeble; infirm.

   Simple, plain, particularly:

   1. Rustic, homely.
   2. Lowly, of humble station.

   Rustic, homely.

   Lowly, of humble station.

   Mentally simple, foolish, particularly:

   1. Rustic, uneducated, unlearned.
   2. Thoughtless, lacking judgment.

      Rustic, uneducated, unlearned.

      Thoughtless, lacking judgment.

      Mentally retarded.

      Stupefied, senseless; stunned or dazed.

      Very close to the batsman, facing the bowler; closer than short.

      Sillily: in a silly manner.

      A silly person.

      A term of address.

      A mistake.

      Source: wiktionary.org