preposterous

adjective meaning something that is absoloutely absurd and/or doesn't make sense.

The website preposterous.ca doesn't make any sense!
It's preposterous.

by lurker August 14, 2004

preposterous

Preposterous means without sense.
Something or an act is preposterous if is has no beneficial effect after it's done and it's often impossible

to do it anyway.

It's an preposterous idea, but imagne getting into a spaceship for a ride with aliens.

by Aralk December 31, 2016

preposterous

Absolutely unacceptable to the s.o.b. who likes saying these big ass words

Brittany always beats my ass severely in bomberman. That shits just preposterous..propos..preopst...possum! ..bitch

by MaMa B January 11, 2015

Preposterous

: very foolish or silly.

Example;
a preposterous excuse.
The whole idea is preposterous!

by toxicvic June 28, 2019

Preposterous

Crazy, unbelievable, odd

That's preposterous, Joe!

by SuzillaGorilla March 31, 2018

Preposterous

The greatest most beautiful and jiggy girl

Jailene is preposterous

by Yajyaj November 16, 2022

Preposterous boast, but alas

Replacement for “weird flex but ok” because it’s overused

Random person: “I didn’t lose my virginity because I don’t take L’s.”
Me: “Preposterous boast, but alas.”

by Fresh Timbs October 29, 2018