live off

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live off (of) (someone or something)

1. To acquire or provide for one's needs by benefiting from or taking advantage of someone or something else. You can't just keep living off your brother—you need to get out there and find a job and a place of your own. I've been living off of my trust fund until I find a new job.
2. To survive by eating or drinking something, especially exclusively or very frequently. A species of insect lives off this weed, so if it is eliminated completely, the insects will die, too. I was so poor during college that I lived off of rice, beans, and pasta.
See also: live, off

live off (of) someone or something

to obtain one's living or means of survival from someone or something. (Of is usually retained before pronouns.) You can't live off your uncle all your life! I manage to live off of my salary.
See also: live, off

live off

1. To survive or provide for one's needs by benefiting from someone or something: I'm living off my savings until I find a job. It's shameful to live off your parents at your age!
2. To eat some type of food frequently or exclusively: In the winter, some animals live off collections of food that they gathered during the warmer months.
See also: live, off

live off

/on the fat of the land
To enjoy the best of everything; live in comfort or luxury.
See also: live, off
References in periodicals archive ?
A Clarence House spokesman said: "It is not unusual for an officer of Williams age and rank to live off base for reasons of privacy.
I'll try to make this work for him but don't want to live off him," she said.
On the 40th anniversary of his flight to the moon, Aldrin claims we would eventually be able to live off the resources on Mars.
At vents, these bacteria live off hydrogen sulfide in the hot plume.
How long are they and other so called refugees going to live off the British taxpayer?
On the mid-ocean ridge you have sea water percolating through hot rocks and eventually this produces gasses which these life forms live off.