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to feed on

to feed on

69 2.9
To eat something or get strength and ideas from it
  • phrasal verb
  • /fiːd ɒn/
translation icon : alimentarse de
  • For thousands of years, boll weevils fed on wild tropical cotton in Central and South America.
  • feed on insects
  • feed on invertebrates
  • feed on blood

Like swarms of mosquitoes are just feeding on people's open wounds.

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Examples

  • And these are parasites that live in the soil, and they feed on bad bugs.

  • But what these kids feed on is the ego of the parents.

  • And there are lots of things that feed on these bacteria.

  • No doubt it feeds on marine life, too.

  • And there are voices out there who will feed on that and pull him into directions that are not good for him.

  • It's the little algae and then the little things that feed on that, the fish, the seals, and then the polar bears.

  • The F. francolinus feeds normally on insects and is remembered as "a farmer's friend."

    Academic text (2015)
  • As they go to and from the water to feed on grasses, they may contribute to the river's degradation.

    Academic text (2011)
  • By tracking pollen types, we can determine that they've been feeding on specific plants in specific areas.

    Academic text (1994)
  • Many animals feed on plants and insects to survive.

Synonyms

to live off
vsto feed on
77 3.9

Rely on someone, a job, or savings for the food and money you need

focuses on eating or being nourished, not long-term financial dependence
to feed off
vsto feed on
34 3.7

To take energy from something, like food or attention

is neutral and covers literal eating or general sustenance
to feed upon
vsto feed on
6.0

To get ideas or energy from something to help your work

covers both literal eating and figurative support rather than only abstract use

Antonyms

58 4.6

To not eat or drink for a time

How Much

to devour
53 3.9
to consume
172 3.2
to feed on
69 2.9
to eat
1.0
to graze
35 2.5
to peck at
1 4.7

Surface Forms

feed on infinitive
fed on past
fed on past participle
feeding on present participle
feeds on third person singular

Morphology

feed + on

The meaning 'to eat or be sustained by X' is directly derivable from combining 'feed' (to eat or nourish) with the preposition 'on', which signals the source or basis; a B1 learner who knows both words can infer this compositionally. This verb+preposition pattern is a common, cross-linguistic way to mark what something eats or relies on, so even the figurative senses remain largely interpretable.

Etymology

Feed on comes from a simple picture: an animal eats a certain food, for example a bird feeds on seeds or a fox feeds on mice. By the same idea, people can 'feed on' ideas, support, or excitement, meaning they get energy or help from those things, so the phrase also means 'to be supported or inspired by'.