bachelorism

[ bach-uh-luh-riz-uh m, bach-luh- ]
/ ˈbætʃ ə ləˌrɪz əm, ˈbætʃ lə- /

noun

state of being a bachelor.
a characteristic or peculiarity of a bachelor: Excessive tidiness had been added to his bachelorisms.

Origin of bachelorism

An Americanism dating back to 1800–10; bachelor + -ism