IX

One before ten

IX is the Roman numeral for nine.

It appears in formal contexts like royal names Louis IX, document sections, clock faces, and sequels: Star Wars: Episode IX.

The notation uses subtraction—I before X means one less than ten.

nine

nonet

Nine-part musical group

  • K-9Law enforcement canine unit
  • ninefoldNine times as much
numeral

Roman

Of ancient Italy's capital

carving · engraving · IV · XXX · L · C · D · M · tally · chapter

Categories
Opposites
numerical sequence

IXI

First-person subject pronoun

XI · IV

numerical magnitude within Roman numeral system

IXM

Thirteenth alphabet letter

C · D · L · MM · I

Phrases
Family

nine, ninth, ninety, nineteen, niner, nines, ninths, nineties, nineteens

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Everyday, not technical · Rated G