I.
or live off
1.
If you live on or live off a particular amount of money, you have that amount of money to buy things.
Even with efficient budgeting, most students are unable to live on £4000 per year...
You’ll have enough to live on...
PHRASAL VERB : V P amount , V P amount
2.
If you live on or live off a particular source of income, that is where you get the money that you need.
The proportion of Americans living on welfare rose...
He’s been living off state benefits.
PHRASAL VERB : V P n , V P n
3.
If an animal lives on or lives off a particular food, this is the kind of food that it eats.
The fish live on the plankton...
Most species live off aquatic snails.
PHRASAL VERB : V P n , V P n
4.
If you say that a person lives on or lives off a particular kind of food, you mean that it seems to be the only thing that they eat, for example because they like it a lot or because they do not have other foods.
The children live on chips...
Their room was bare of furniture and they lived off porridge.
PHRASAL VERB : V P n , V P n
II.
If someone lives on , they continue to be alive for a long time after a particular point in time or after a particular event.
I know my life has been cut short by this terrible virus but Daniel will live on after me.
PHRASAL VERB : V P