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3. rely on

rely on

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rely (up)on someone or something

to depend on someone or something; to trust in someone or something. (Upon is formal and less commonly used than on.) I know I can rely upon you to do a good job. Can we rely on this old car to get us there?

See also: on

rely on

v.

1. To be dependent upon something or someone for support, help, or supply: Some people still rely on coal to heat their houses. He relies on his parents for tuition.

2. To place trust or confidence in someone or something: He was relying on the meeting being canceled and didn't prepare his speech. I can always rely on her to get here on time.

See also: on