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Definition of forewarn
forewarn
/fɔːrˈwɔːrn/
fore · warn
Adjective:forewarned
•Past Simple:forewarned
•Past Participle:forewarned
•Present Participle:forewarning
forewarn Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Top 10k
Syllables
2
forewarn Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To inform or alert someone in advance of a possible danger, problem, or unpleasant situation.
Example
"The meteorologists sought to forewarn coastal residents about the approaching hurricane several days before landfall."
Synonyms
View all synonyms for forewarn Antonyms
View all antonyms for forewarnWord Nuance & Usage
Because the verb 'warn' already implies alerting someone prior to an event, 'forewarn' is specifically used when emphasizing advance preparation or in the proverb 'forewarned is forearmed.'
• Rhymes for forewarn
• Nearby Words
Word Origin & Etymology
Formed in Middle English as forewarnen, combining the prefix fore- ('beforehand') with warnen, from Old English warnian ('to take heed' or 'to give notice of danger').
Cite this Entry
Wordmom. (2026). Definition of Forewarn. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/forewarn