What does rely on/upon mean?

phrv. to need someone or something to succeed or work well.; to have confidence in someone or something.

rely on/upon

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Difficulty

phrase verb

to need someone or something to succeed or work well.

We often rely on friends to support us during tough times.

to have confidence in someone or something.

I always rely on my team to finish projects on time.

to need someone or something to succeed or work well.; to have confidence in someone or something.