The phrase "a less resilient" is correct and usable in written English.
It can be used when comparing the resilience of two or more subjects, indicating that one has a lower level of resilience than the other.
Example: "The new material is a less resilient option compared to the traditional fabric we used before."
Alternatives: "a more fragile" or "a weaker".
A less resilient champion might have continued to fall apart after collapsing in the second set.
At this point, a less resilient person might have just walked away from the mess.
Such a goal so early on might have done irreparable psychological damage to a less resilient side.
Lord Olivier had been ill for some time, suffering from diseases that would have killed earlier a less resilient man.
It was a gentle enough enquiry about how it was he had recovered so brilliantly, so strongly, from a day that might just have broken a less resilient and precocious spirit.
Last month, statistics from the classical-music website Bachtrack confirmed this to a public that wasn't particularly surprised: Gergiev has long been notorious for a schedule that might slaughter a less resilient soul.
Overall, these policies have resulted in higher debt for millions of people, billions of dollars in taxpayer bailouts, and a less-resilient housing system than would otherwise exist.
Everything is a little less polished, a little more last year than cutting edge, a little cheaper, a little less resilient.
This will make the world a very much less interesting place, and very likely a much less resilient place.
Low genetic variation can make a species less resilient to changes in its environment, and place it at increased risk of extinction.
Biodiversity, they have said, is the key to stability--a hypothesis bolstered by field experiments showing that removal of one or more species can make a community less resilient.
