adv.in a superstitious manner

"superstitiously he refused to travel on Friday the 13th"

Vudo-an object superstitiously believed to embody magical powers
A `ffestivall' superstitiously kept.'
How to think superstitiously
SOME DEADLY METAPHORS ; `If Macbeth Is Superstitiously Called by Performers "The Scottish Play"Why Is Verdi's Opera Macbeth Not Kno...
“BAD” Days Are “Bad” Only Superstitiously?! An Examination of the Relationship between Mortality and
Superstitious key pecking after three peck-produced reinforcements.
Antecedents and anticipated outcomes of superstitious behavior among professional salespeople
Effects of the value of contingent self-administered and noncontingent externally imposed reward on children’s behavioral productiv...
Method and apparatus for directing a game with user-selected elements
Systems and methods wherein a gambling result is based on a user input