Collocations for "warn"
Common phrases and expressions where native English speakers use the word "warn" in context.
WordReference English Collocations © 2025
warn
ⓘMost examples are given in US English. We have labeled exceptions as UK.v
- warn them of the (possible) [danger, risks, side effects]
- warn [patients, visitors] of
- warn the [police, authorities]
- warn them to [stop, leave, stay away]
- warn you against [going, doing, leaving, eating]
- I [should, have to] warn you that
- I warned you I [was, would]
- already warned you (about)
- I warned you not to
- you should have warned me!
- you have been warned
- warned you ahead of time
- warn people about
- [experts, doctors, researchers] warn that
- [police, doctors, scientists] are warning of
- warn of [further, likely, possible]
- warned on the [news, website, radio]
- warn [intruders, hunters, birds] off
- warn off [intruders]
'warn' also found in these entries (note: many are not synonyms or translations):