■ cardinal number
1》 equivalent to the product of three and three; one less than ten; 9. (Roman numeral: ix or IX .)
2》 ( the Nine ) Greek Mythology the ~ Muses.
Phrases
to (or Brit. up to ) the ~s to a great or elaborate extent: she was dressed to the ~s.
Derivatives
~fold adjective & adverb
Origin
OE nigon , of Gmc origin.