Meaning & use
rely
Last updated
Meanings
verbintransitive
To trust someone or something to do what you need, and to depend on it for help or support.
Grammar: No direct object; it is followed by on or upon: rely on a friend.
Patterns
- rely on someone
- rely on something to do something
- rely on someone for something
You can rely on me to bring the tickets.
Many villages rely on rainwater for drinking.
I relied on a map because my phone had no signal.
verbintransitive
To need something in order to function or survive, often so much that you could not manage without it.
Grammar: Followed by on and often used with -ing: rely on volunteers.
Patterns
- rely heavily on something
- rely on something for something
The shop relies heavily on tourists in summer.
Some plants rely on insects to spread their pollen.
The team relies on its goalkeeper far too much.
Word forms
| third person singular | relies |
|---|---|
| past tense | relied |
| past participle | relied |
| -ing form | relying |
Common combinations
- rely on someone
- I rely on my sister for honest advice.
- rely heavily on
- The region relies heavily on farming.
- rely solely on
- Don't rely solely on one source.
- can't rely on
- You can't rely on the weather here.
- rely on luck
- He had to rely on luck to finish the race.
- rely on the fact that
- We rely on the fact that people will be honest.
Synonyms and how they differ
- depend
- Depend is very close, but it is also used for conditions (it depends on the weather), which rely does not cover.
- count on
- Count on is more informal and stresses expecting someone to come through.
- trust
- Trust focuses on belief in someone's honesty, while rely focuses on actually needing them.
- lean on
- Lean on is informal and suggests emotional or practical support from someone.
Opposites
Word family
- reliable adjective
- able to be trusted to work or behave well
- reliability noun
- the quality of being dependable
- reliance noun
- dependence on someone or something
- reliant adjective
- needing someone or something to function
- unreliable adjective
- not able to be trusted
Commonly confused: rely or rally?
rely vs rally
Rally means to come together or recover; it is not followed by on in the sense of depending.
Practice
Many small islands ___ ferries for food and medicine.
Choose one answer.
Rely is always followed by on or upon. Plain rely cannot take an object directly, and at or of are not used with it.
Make it your own
Write a sentence using “rely”, then check it and compare it with the examples above.