What does “justify” mean in everyday English?

When something costs too much or feels wrong, English speakers say they “can’t justify it.” It means the decision doesn’t feel worth it. So “I cannot justify putting myself in so much debt” means: the house costs too much for what it is. The pattern is justify + doing something — you justify buying, spending, going, taking a risk. If you can’t justify it, you decide not to do it.

In the clip, a New Zealander explains why he built a tiny house instead of buying one: “I cannot find a way to justify to put myself in so much debt to have a home.” Where he lives, the average house costs NZ$1,500,000 — a debt that did not feel worth it to him. The pattern is “justify + doing something” (justify buying, justify spending). More examples: “We couldn’t justify the expense,” “How do you justify that decision?” or “The results don’t justify the risk.” The noun form is “justification” — “What’s your justification for spending so much?” Both forms come up often in everyday conversations about money, housing, and choices.