Rely on Definition 1 of 4Pro Tip 1/3Emotional Support Often used when offering emotional backing or guaranteeing help. You can rely on my support during your exams. Pro Tip 2/3Unwavering Promise Implies a strong and unwavering commitment from someone. Rely on me; I won’t let you down. Pro Tip 3/3Professional Assurance Used in formal contexts to assure quality of service or performance. Our clients rely on our discreet and efficient service.