September 16, 2026
5 min read

What is resilience, really? A working definition for people tired of the word

Resilience is not bouncing back. It is the capacity to keep choosing a next step while the old plan is still in pieces. It is a practice you build under load, not a personality trait you either have or lack.

Resilience is not bouncing back. It is the capacity to keep choosing a next step while the old plan is still in pieces. That distinction matters, because “bouncing back” implies a return to a previous shape, and after a real loss there is no previous shape to return to.

Why the usual definition fails

Most definitions of resilience describe an outcome and call it a trait. Someone survives something hard, still functions afterward, and we say they are resilient — as though we have explained something. We have not. We have only labeled the result.

I know this because I was called resilient during a period when I was barely functioning. My wife had died of cancer. I went to work. I raised my sons. From the outside that reads as strength. From the inside it was mostly momentum, and momentum runs out.

A definition you can actually use

Here is the one I use now, built over several years and a lot of failed attempts:

Resilience is the capacity to take a reasonable next action while the situation is still unresolved.

Three things make that definition useful:

  • It describes a behavior, not a feeling. You can do it while devastated.
  • It is measurable. Either you took the step or you did not.
  • It does not require the crisis to be over. Most of life’s hard seasons do not resolve on a schedule.

What resilience is not

Three impostors get mistaken for it constantly.

It is not optimism. Optimism is a forecast. Resilience is a behavior. You can be pessimistic about the outcome and still do the next right thing, and plenty of people do exactly that.

It is not toughness. Toughness is the capacity to absorb without changing. Resilience usually requires changing. The people I have watched recover best are not the ones who refused to be moved; they are the ones who let the event change them and then chose what it changed them into.

It is not the absence of grief. I cried more in the year I was most functional than in the year I was numb. Tears are the sweat required to soften our hearts to the strength we did not know we had.

How is resilience built?

The same way any load-bearing capacity is built: under load, in increments, with recovery in between. I spent a career as an engineer testing whether components hold. Nothing gets certified as reliable because it looked sturdy. It gets certified because it was loaded until it failed, and then redesigned.

People are the same. You do not become resilient by avoiding stress. You become resilient by taking on stress you can survive, recovering properly, and repeating. Skip the recovery and you are not building, you are just accumulating damage.

The practical version

When you cannot see the whole road, shorten it. The question is never “how do I rebuild my life.” The question is “what is the one thing I can do before noon.” Answer that enough times and you look up one day to find you have gone somewhere.

That is not inspirational. It is just what worked.

Dr. Christopher Green

Keynote speaker, author and chief technology officer. He writes about resilience, grief and starting over.

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