There is a total of 1064 clues beginning with x
- X, in Roma
- X, in Roman numerals
- X, in some letters
- x, in some texts
- X, in sorority names
- X, in valentines
- x, in x = 5x - 8
- X, mathwise
- X, maybe
- X, numerically
- X, on a greeting card
- X, on a mall map
- X, on a map
- X, on a Rolex
- X, on a shirt tag
- X, on campuses
- X, on monuments
- X, on some dials
- X, perhaps
- X, R, G, et al
- X, sometimes
- X, to a bowler
- X, to a kegler
- X, to a kid
- X, to a king
- X, to a pirate?
- X, to a sorority sister
- X, to Aeschylus
- X, to Caesar
- X, to Cato
- X, to Cicero
- X, to Electra
- X, to Euclid
- X, to frat men
- X, to Greeks
- X, to Hippocrates
- X, to Nero
- X, to some
- X, to Xanthippe
- X, to Xenophon
- X, X, X
- x, y and sometimes z
- x, y and z
- x, y and z, in math
- X, Y or Z
- x, y or z follower
- X, Y or Z line
- x, y or z, in geometry
- x, y or z, on a 3-D graph
- X, Y or Z
- X, Y, and Z
- x, y, and z in math
- X, Y, or Z intro
- X, __ "xylophone"
- X- --
- X- or Blu- follower
- X- or y- in geometry
- X-15 may be the first
- X-15
- X-Acto knife cut
- X-Acto knife cut, perhaps
- X-Acto parent company
- X-and-O game show
- X-axis
- X-axis coordinate
- X-box setting?
- X-coordinate
- X-coordinate of a point
- X-coordinates, in math
- X-ed
- X-ed out price?
- X-ed out?
- X-ed, perhaps
- X-file examiners
- X-File subj
- X-File subject
- X-Files agent
- X-Files creator Carter
- X-files descriptor
- X-files subjects, briefly
- X-files subjects, for short
- X-Flles org
- X-Games airer
- X-Games bike, briefly
- X-Games motorcycle race
- X-Games network
- X-Games telecaster
- X-II
- X-like Greek letter
- X-Men adversary who wears a flamethrower
- X-Men co-creator Lee
- X-Men co-creator Stan
- X-Men creator Lee
- X-Men enemy who can control fire
- X-Men villain
- X-movie ingredient
- X-O-X line in tic-tac-toe, eg
- X-quantities to be solved
- X-rated
- X-rated maybe