insufficient 

not sufficient, not enough

he is feeling drowsy now because he had insufficient oxygen in this stuffy room.

insufficient by sjunemyself May 8, 2005

Insufficient Other 

A partner whose funds are lacking to pay their bills.

I got rid of my insufficient other. He was draining my bank account.

Insufficient Other by sdjackson13 April 27, 2015

Insufficiently intelligent 

A stupid person or just being dumb in general

The boy declared that his girlfriend was INSUFFICIENTLY INTELLIGENT

Insufficiently intelligent by That White Guy May 25, 2012

Insufficient Funds 

When you can't pay for your prostitute.

Insufficient Funds!

Insufficient Funds by Fazzzz88686 December 8, 2014

inefficiency 

Scoring 100% in a fraud test when the pass mark is 80%

Vanessa "Ha I scored 100%"
Paul Hardy: "Pure inefficiency. -5 points"

inefficiency by Goffrey Clayton February 10, 2014

Type A Inefficiency 

Type A Inefficiency is a chronic condition that affects a small portion of the population. Individuals suffering from this affliction demonstrate typical Type A behavior (time-urgent behavior, perfectionism, need for control, etc.), but with the caveat of not knowing how to plan with a group effectively. Often affecting the roommates of the afflicted, Type A Ineffiecients turn seemingly simple or nonexistent problems into the biggest stressfuck imaginable. A typical example would be expecting a group to make multiple trips as a unit to complete errands that could be divided and accomplished in a fraction of the time, seperately. There also appears to be a strong attachment towards bothering others with non-existent problems (3 dirty plates in the sink when the dishwasher is actively running) during the most inconvenient moments (during a pregame) and expecting immediate action. While not a character issue, Type A Inefficient behavior tends to really irritate those who like to go with the flow and like to reduce stress in their lives while also accomplishing everything they need to. To those with Type A Inefficiency, we like to simply say, FITFO.

SITUATION: It is 1am
Chill Friend: Hey, I gotta go to bed I have to be up really early for a flight tomorrow

Type A Inefficient Friend: Ok but you're aware we haven't cleaned the house and we NEED to move organize our rooms

Chill Friend: Well you haven't been here all day, it's really late and this is gonna take a long time, and besides I'll only be gone for a day I'm sure we can find a way to get this done as a group when we're back together.

Type A Inefficient Friend: I know you're awake, i dont care that this is quite possibly the worst time to expect this to get done. HOW AM I GOING TO SURVIVE FOR ONE NIGHT IN A MILDLY UNKEPT HOUSE BY MYSELF WITH MY CLOTHES IN A SUITCASE.

Chill Friend: tbh idk, that sounds on par with the Trail of Tears. I know you suffer from Type A Inefficiency, but how abt you FITFO

Type A Inefficiency by let's take a chill pill October 6, 2025

Principle of Insufficient Reason

The philosophical principle that everything that happens has an infinite number of reasons, none of which is ever sufficient to fully explain why it happened. This challenges Leibniz's principle of sufficient reason, which claimed that everything has a reason. The principle of insufficient reason acknowledges that explanation is infinite regression—you can always ask "why" again, and there's always another layer, another cause, another factor. Your car didn't break down just because the alternator failed; it failed because of manufacturing tolerances, material fatigue, your driving habits, the phase of the moon, and the cosmic background radiation. The reasons are infinite; the explanation is always incomplete. This principle is comforting because it means nothing is ever your fault alone, and terrifying because it means nothing can ever be fully understood.

Example: "He asked why his relationship ended, seeking one sufficient reason. His therapist invoked the principle of insufficient reason: 'There are infinite reasons—communication patterns, childhood wounds, mismatched expectations, the alignment of planets if you're into that. No single reason will ever be enough. The search for one is the problem.' He left with infinite reasons and no closure, which was exactly the point."

Principle of Insufficient Reason by Dumu The Void February 15, 2026