the act of bearing the weight of or strengthening
"he leaned against the wall for support"
That which supports something else; a support.
"The wooden beams were crucial supporting elements that held up the heavy roof during the storm."
In plain English: A supporting role is a part in a play or movie where the actor helps the main character but isn't the star.
"She relied on her father's supporting role to make ends meet during his illness."
Usage: Use this noun form to refer specifically to an individual who provides assistance, such as in the phrase "a supporting actor." It is distinct from using it as an adjective describing how something helps another object or person.
present participle of support
"She spent her evenings supporting her younger brother while he studied for his exams."
In plain English: Supporting means helping someone or something stay up and not fall apart.
"She is supporting her family by working two jobs."
furnishing support and encouragement
"the anxious child needs supporting and accepting treatment from the teacher"
That supports.
"The new data provides supporting evidence for the hypothesis that climate change is accelerating."
In plain English: Supporting means helping someone else succeed or holding something up so it doesn't fall.
"The supporting actors received smaller roles in the movie."
Derived from the Latin supportare, meaning to carry on top, this term originally referred to physically bearing weight or providing structural assistance. It later evolved in English to denote any form of aid, backing, or maintenance given to a person or cause.