Spirituality definition is not easy because the definition can vary from person to person.
The word spirituality is derived from the Latin word spiritus, which means breath.
So what is spirituality? Its not religion, in fact it's not necessarily associated with religion.
A person may be spiritual by helping people in need or they might be spiritual by empathizing with nature.
These are the common themes of spirituality
Reaching out beyond your limits, which may include questioning your own beliefs, keeping your mind open and trying to understand other people's beliefs better.
The journey or process of self discovery and learning about who you are as well as who you want to be.
Direction, meaning and purpose. Spirituality doesn't necessarily reach conclusions or solve, typically it embraces the idea of as well as moving forward in a direction of purpose and meaning for your life.
A higher power, which may be rooted in nature, religion or some unknown essence. Some people may indulge in religious practices such as prayer, worship as well as reading religious texts like scriptures.
Other people use practices like meditation or yoga.
Connectedness to yourself as well as to others. Spirituality is very personal, but is also about being connected to others and the world around you.
Stephen Wolinsky, founder of Quantum Psychology and Post Deconstruction and the author of fourteen books gives his very good definition of spirituality in the video below.