1. providing help, assistance, or backup to a main person or thing

1. present participle of support; giving assistance, encouragement, or backing to someone or something

Examples

• She is supporting her friend through a difficult time.
• The supporting beams hold up the entire structure.
• He played a supporting role in the movie.
• The evidence is supporting their theory.
• Supporting documents must be submitted with the application.
• The supporting cast gave excellent performances.
• They are supporting the local charity with donations.