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Definitions

rely

[ri-lahy] / rɪˈlaɪ /


Frequently Asked Questions

What is another word for rely?
The closest synonym for rely in many contexts is depend. Rely is often used in the verb phrase rely on, and the phrases depend on and count on often mean the same thing. Saying that you rely on a person suggests an element of confidence or trust—it means that you know you can depend on them without them letting you down. In this sense, a person or thing on which you rely can be described as reliable or dependable. Saying that an outcome relies on something means that it’s necessary for the outcome to happen, as in Our success will rely on preparation and a little bit of luck. The phrases hinge on and rest on can be used in the same way.
Are rely and support synonyms?
Rely and support are often used in the same contexts, but they aren’t synonyms. Instead, they’re more like the two different ends of the same interaction: typically, if you’re relying on someone, they’re supporting you. The support is what’s being relied on.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Gas prices have leapt, hitting inflation-weary Americans and businesses that rely heavily on fuel.

From The Wall Street Journal • Apr. 3, 2026

Estate agents in the area said the Metro upgrade to the core valley railway lines had made Cardiff "more accessible" for people who rely on public transport to commute to work.

From BBC • Apr. 2, 2026

Video calls, streaming, virtual reality, and connected devices all rely on networks that are already under heavy strain.

From Science Daily • Apr. 2, 2026

Crypto transactions rely on two keys: one private, one public.

From Barron's • Apr. 1, 2026

Our robot would have to rely on her wits.

From "The Wild Robot Protects" by Peter Brown