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2.
The fear of the number 666.
Hexakosioihexekontahexaphobia affects all hexakosioihexekontahexaphobiacs.
by Paracetamol 500mg December 28, 2006
 
1.
Fear of the number 666, or the "Number of the Beast."
I can't pronounce hexakosioihexekontahexaphobia. Too lazy to try.
by Thrashmeister April 20, 2006
 
3.
Irrational fear of sequential addition, bar codes, and the birth dates and addresses of dead conservative republican actors.
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36=666=Hexakosioihexekontahexaphobia.
by eAc Numerologist December 18, 2008
 
4.
An irrational fear of something stupid, inconsequential, and man-made (ref. 666).
Hexakosioihexekontahexaphobia in action...

"Woe to You Oh Earth and Sea
for the Devil sends the beast with wrath
because he knows the time is short
Let him who hath understanding
reckon the number of the beast
for it is a human number
its number is six hundred and sixty six."

-Vincent Price, Intro to "Number of the Beast" by Iron Maiden
by Mike Seary September 10, 2007
 
5.
Fear of the word 666
Hi, I'm Jane Doe and I have Hexakosioihexekontahexaphobia
by J-dizzle fo shizzle December 29, 2005