EN

Synonyms for warn

Most common

admonish advise forewarn inform

All synonyms

Verb

Other

alarm, bid, foretoken formal

Definitions

  1. v. 1

    To make (someone) aware of (something impending); especially: To make (someone) aware of impending danger, evil, etc.

    I phoned to warn him of the road closure.

Related words

Word family
warnable warner warning

Forms

Past participle
warned
e.g. warned → admonished, advised, forewarned, informed…

Choose the right word

Warn, Censure, Rebuke, Reprove or Admonish?

Censure, rebuke, and reprove apply to wrong that has been done; warn and admonish refer to anticipated error or fault.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

  • inform Please inform me what options are available to me.
  • advise Please advise me of the date for the next meeting.
  • admonish No words were able to admonish him.
  • forewarn I need to forewarn you: This story is going to be graphic.
  • alarm My alarm clock didn't work. That's why I was late.

Popularity over time

Word1850 → 2019Trend
warnrising
informsteady
advisefalling
admonishsteady
forewarnsteady
alarmrising

Use in printed books, per decade from 1850 to 2019.

By length

3 letters
bid1
5 letters
alarm2
6 letters
inform2, advise2, notify3, monish
7 letters
caution2, apprise2
8 letters
dissuade2, admonish3, forewarn2
9 letters
foretoken
10 letters
discourage3

The small number after each word is its number of syllables (alarm2 = 2 syllables).

In other languages

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