depend (up)on (someone or something)

(redirected from depend upon them)

depend (up)on (someone or something)

1. To rely on someone or something. You can depend on Tom, so if he said he'd be here at 11:30, then he'll be here at 11:30. I still haven't found a job, so, yes, I depend upon my parents for money.
2. To be dictated by certain conditions. Where we hold the wedding ceremony depends entirely on the weather—if it's rainy, then we'll have it indoors.
3. To be addicted to something. I have a harder time falling asleep these days, but at least I don't depend on sleeping pills anymore.
See also: depend

depend (up)on someone or something

to rely upon someone or something. (Upon is formal and less commonly used than on.) Can I depend on you to do this right? You can depend upon me for help.
See also: depend, on

depend on

or depend upon
v.
1. To be contingent upon something or someone for an outcome: Whether or not we go on the picnic depends on the weather.
2. To rely on something or someone, especially for support or maintenance: Children depend on adults for food and shelter.
3. To place trust or confidence in someone or something: You can depend upon my honesty.
4. To have a chronic or compulsive need for something; be addicted to something: As time went by, he began to depend on painkillers to get him through the day.
See also: depend, on
References in periodicals archive ?
The fitness of the bacteria may eventually decay to the point where neither they nor the aphids that depend upon them can survive, she speculates.
That's a faded memory now, as we struggle to save the last of the Northwest's big trees and the species, like the spotted owl, that depend upon them.