rely on

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rely on

1. To be dependent on someone or something; to require someone or something for support or help. There are a lot of cities around the country that depend on the steel industry—if it collapses, so do their entire economies. You can't just rely on Jeff to pay your bills all the time. You need to get a job of your own.
2. To have trust or faith in someone or something; to believe that someone will do something or that something will happen. You can always rely on it to start raining sooner or later in this country. People who rely on the government to act in their best interests are naïve, foolish, or both. At this stage in my life, I really just want a romantic partner who will love me for who I am, and whom I know I can rely on.
See also: on

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
References in periodicals archive ?
I rely upon the best available evidence from the medical literature as a guide.
As a result, the IRS may challenge more aggressively taxpayers (especially those that ought to know better) that claim to rely exclusively on their adviser, without independently assessing the credibility of the advice.
If you're skeptical about the control environment, professional standards allow you to not rely on the controls and instead perform substantive tests to detect misstatements.
Since its inception in 2010, Rely Energy has rapidly developed and deployed services and systems to help commercial energy users track, manage and reduce energy costs through implementation of best practices for energy management, purchasing and conservation.
World-class finance organizations rely on a centrally maintained, uniform single chart of accounts 98 percent of the time, while only 82 percent of typical companies make the same claim, Hackett found.
Development cannot rely on hauled-in water and Agua Dulce landowners are worried their property values will plummet.
Once we rely on these wonder materials and technologies to perform building functions rather than relying on the architectural elements they replaced, the next logical step is to entirely remove the functional role once played by the architectural elements.
CA will market the Database Rely utility under the umbrella of its CA Backup and Recovery Solution for DB2 for OS/390 products.
Clearly, the liability risk could be huge from nonclients (individuals or entities), the third parties that rely on SysTrust assurance reports.
In particular, the regulations should permit taxpayers to rely upon a prior year's or multiple-year data without having to document the absence of more current data.
In addition to supporting the local economy through employment opportunities, Talecris Plasma Resources needs Champaign residents to donate plasma to help save the lives of thousands of patients who rely on Talecris' products.
Practitioners may rely on the opinion of another practitioner as to one or more significant Federal tax issues, unless the practitioner knows or should know the opinion of the other practitioner should not be relied on; * If the practitioner relies on the opinion of another practitioner, the relying practitioner's opinion must identify the other opinion and set forth the conclusions reached in the other opinion.
About 3,300 residents there rely on private wells, the levels of which have been drastically falling, according to Andy Fried, the president of the Agua Dulce Town Council.
Romano could not rely upon the caveat contained in the information form that the data is only believed to be accurate but is not warranted.
The case is significant because a state supreme court ruled that third-party investors may rely on the work of an accounting firm in making investment decisions even if such investors are not clients of the accounting firm.