The phenomenon of being late. Specifically linked to being late because of one's gender and calendar.
Friend: Wow, you're always on time!
Me: Thanks for noticing! Lateism is not in my gender or calendar.
Me: Thanks for noticing! Lateism is not in my gender or calendar.
by mcWorldChanger May 8, 2016
Lateism is the quality of being late. When people don't show up on time, they're guilty of lateism. When you don't arrive on time for something, you're late, so lateism refers to the habit of being late.
by MzansiGalore May 11, 2016