1. Noun, Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no'

   1.

   coincidence; chance; accident; fortuity

2. Adverb (fukushi)

   2.

   by chance; unexpectedly; accidentally

3. Noun

   3.

   contingency

Example sentences

• 私は彼に偶然会った。

  I met him by chance.

• それは単なる偶然なの？

  Is that just a coincidence?