XXIII x XXIV |
12 |

XX times VIII |
13 |

XIII quadrupled |
15 |

XXV x XXVI |
10 |

Xis' predecessors |
17 |

X6 and Z4 carmaker |
18 |

XXIV hours |
10 |

Xzibit collaborator, familiarly |
31 |

Xylophone-like instruments |
26 |

X, on campuses |
14 |

X Games gear |
12 |

Xena: Warrior Princess" antagonist |
34 |

Xanax user's problem |
20 |

Xena's steed |
12 |

X, on some campuses |
19 |

X overseas |
10 |

XII x VIII + XI x V |
19 |

Xmas, for Jimmy Buffett |
23 |

X Games accomplishments |
23 |

Xavier Cugat's ex-wife |
22 |

X-Men" hero who can emit energy beams from his eyes |
51 |

x + y = z" math branch |
22 |

Xbox's foil, in a CeeLo Green lyric |
35 |

x + 0 = x, e.g. |
15 |

Xavier Cugat's ex-wife Lane |
27 |

X, in old Rome |
14 |

X contemporary |
14 |

X-file examiners |
16 |

XXVI quadrupled |
15 |

Xylophone look-alikes |
21 |

Xavier's former spouse |
22 |

XXIV x XIX |
10 |

Xenophobe's bugaboo |
19 |

X5 automaker |
12 |

Xavier University locale |
24 |

XYZ affairs? |
12 |

X Games racers |
14 |

XXVI Olympiad site |
18 |

XV ÷ V |
7 |

X-files subjects, for short |
27 |

X box? |
6 |

X-ray vision deterrent |
22 |

XXXVIII x V |
11 |

Xbox 360 insert |
15 |

Xbox insert |
11 |

XXIII times XXIV |
16 |

X, to frat men |
14 |

XXXVIII x VIII |
14 |

X - VII |
7 |

XXX x X |
7 |

X-ray dose unit |
15 |

X-ray vision blocker |
20 |

XC x XXV |
8 |

X lookalike |
11 |

X, to Hippocrates |
17 |

X, to Greeks |
12 |

Xenophobe's aversion |
20 |

XXVI doubled |
12 |

Xs |
2 |

XXX, to the Greeks |
18 |

Xis' predecers |
14 |

XII years after Columbus's first voyage |
39 |

XXX x XXXV + I |
14 |

XXV × XXXVIII |
14 |

XLI x X |
7 |

Xena's daughter |
15 |

X, on fraternity row |
20 |

X's, in Greece |
14 |

Xmas song: "Ave ___ |
19 |

X-Games telecaster |
18 |

XXXV x XXVI |
11 |

XLI |
3 |

XVII x LIII |
11 |

XIX octupled |
12 |

X'es |
4 |

Xbox One, for one |
17 |

X, to Aeschylus |
15 |

XXXII x XXX |
11 |

X-ray dosages |
13 |

X, e.g. |
7 |

Xmas period |
11 |

X out |
5 |

X X X |
5 |

XIX |
3 |

XXX abroad |
10 |

X-Men: ___ of Future Past |
25 |

XV |
2 |

X'd |
3 |

X-ray's cousin |
14 |

Xhosa and Zulu are among its official langs. |
44 |

XXX / X |
7 |

Xanadu 2.0, to Bill Gates |
25 |

X-rated, say |
12 |

Xenophon classic |
16 |

XXXIX x XX x II |
15 |

X-__: tool brand |
16 |

XLIII septupled |
15 |

x or y |
6 |

X" math? |
8 |

XIV quadrupled |
14 |