Home > Dictionary > Delulu
Define: "Delulu" in Business
Fiscal Threat Level
MODERATE
High risk of unnecessary meetings
CWO Pro-Tip
"Combat their delusion with a brutally honest and highly technical risk assessment spreadsheet."
What HR thinks it means:
A slang term describing a state of unrealistic optimism or disconnect from reality.
What does "Delulu" actually mean?
"The only mathematically accurate word to describe a stakeholder who believes the hardware procurement will arrive on time and under budget."
How HR uses it:
"We need to ensure our Q3 projections aren't overly optimistic or delulu."
How you actually use it:
"The project manager is absolutely delulu if she thinks we can migrate the entire data center in a single weekend."
By The Chief Waste Officer
18 years in the corporate trenches quantifying waste so you don't have to.
Published: 2026-05-01